The single most common piece of feedback in developmental editing is some version of: "I couldn't connect with the protagonist." Not "the plot was confusing" or "the dialogue felt wooden" — those are fixable mechanics. An unrelatable protagonist is a fundamental problem, and it usually traces back to the same root cause: the writer knows what their character does, but not who their character is.
Character development isn't about giving your protagonist a tragic backstory or a list of quirky traits. It's about understanding your character well enough that every choice they make feels inevitable — not because it was predictable, but because it was undeniably them.
The Wound, the Lie, and the Want
The most useful framework for building deep characters comes from story coach K.M. Weiland, though its roots go back to Robert McKee and Joseph Campbell. It has three parts that work together:
The Wound is the formative event — usually from childhood or early life — that shaped who your character became. The wound isn't just sad backstory; it's the engine of your character's psychology. It explains why they see the world the way they do.
The Lie is what the wound taught your character to believe. Not a conscious belief — most people don't think "I believe I am fundamentally unlovable." They just act as if it's true. The lie might be: I have to be in control or everything falls apart. I don't deserve good things. If I let anyone get close, they'll leave. The lie is your character's operating system, and it's wrong — which is the whole point of the story.
The Want is the external goal your character is consciously pursuing. The Want is what the story is about on the surface: find the murderer, win back the one I love, survive the war. But the Want is never what the story is really about.
What the story is really about is the Need — the internal truth your character must accept in order to heal the lie. The character wants one thing; they need something else entirely. The best stories are about the collision between these two.
How to apply this in practice
Before you write a single scene, answer these four questions for your protagonist:
- What is the worst thing that ever happened to them — and what did it teach them about how the world works?
- What false belief are they still carrying from that event?
- What do they desperately want in this story?
- What do they actually need — and why does getting it require giving up the lie?
If you can answer all four clearly, you have a character with an arc. The plot becomes the mechanism through which those answers get tested and eventually resolved.
Internal vs. External Goals
Every scene your character appears in, they have two goals operating simultaneously: an external goal (what they're trying to accomplish in this scene) and an internal goal (what they're trying to feel, or avoid feeling, emotionally).
Weak characters only have external goals. They want things from the world: the promotion, the confession, the escape. Strong characters also have internal goals that often conflict with or complicate the external ones. A character might want to confront their estranged father (external) while desperately trying not to cry or show vulnerability (internal). That tension — the gap between what they're doing and what they're feeling — is where character comes alive on the page.
When a scene feels flat, ask yourself: what is this character's internal goal right now? What are they trying to protect themselves from feeling? The answer will almost always give you something to write.
Avoiding the Mary Sue Problem
A Mary Sue is a character who is so competent, likeable, and unchallenged that readers feel no anxiety on their behalf — and therefore no engagement. The problem isn't that the character is good at things. It's that they have no meaningful weakness that costs them anything.
The fix isn't to make your protagonist clumsy or self-deprecating. Those are surface-level gestures. The real fix is to make sure your character's greatest strength is also the source of their greatest problem. The detective who solves cases through relentless logic is the same person who can't connect emotionally with anyone. The general who wins wars through unwillingness to compromise is the same person who drove her family away. The strength and the wound are the same thing, seen from different angles.
Physical Details That Reveal Character
The way you describe a character physically should tell us something about who they are, not just what they look like. This is a place where many writers default to a list of features — eye color, height, the way their hair falls — that conveys nothing about inner life.
Instead, choose physical details that carry weight. Not "she had dark eyes" but "she had the habit of looking slightly past you when she talked, as if she was already thinking about the next conversation." Not "he was tall and well-built" but "his size was the first thing people noticed and the last thing he wanted them to." The physical detail becomes a window into psychology.
What your character notices about other people is equally revealing. A character who immediately clocks the exits in every room tells us something different from a character who notices what people are wearing. What your character's attention is drawn to is a form of characterization — it shows us their preoccupations, their history, the shape of their wariness.
Backstory as Subtext, Not Exposition
The worst thing you can do with a character's backstory is explain it. The moment a character (or your narration) explains why they are the way they are, you have killed the mystery. Readers don't want to be told that a character distrusts people because they were betrayed as a child. They want to watch a character flinch away from closeness in a dozen small, specific ways — and feel the weight of a history they've inferred, not been handed.
Backstory belongs in the subtext. It shows up in:
- What your character is hypersensitive to — the comments that land harder than they should
- The habits and reflexes that seem disproportionate until you understand where they came from
- What they can't say, or can only say by not saying it
- How they behave differently in public versus alone
- What they reach for in moments of stress
The backstory is not the story. The story is what happens now, under pressure, in front of us. The backstory is the context we feel without being told.
The Details That Make Characters Feel Real
What separates a character from a person is specificity. Real people have strange opinions about inconsequential things. They have inexplicable loyalties. They remember certain things vividly and are embarrassingly wrong about others. They have a signature phrase they don't know they use. They have one irrationally sentimental possession.
None of these details need to be explained or justified. They are simply true of this person. When you give a character a preference for bad coffee out of a chipped mug they've had since college, you aren't advancing the plot. You're conferring reality. The more specific and un-justified the detail, the more real the character feels — because real people contain details that don't serve any narrative purpose.
The test is whether, when you're writing a scene, you know what your character would order at a restaurant they've never been to, what they'd say if a stranger was rude to them, and what small thing they do when they're anxious that they themselves haven't noticed. You may never put any of that on the page. But knowing it changes how you write every sentence they're in.
The Character Arc and the Plot Arc
In the strongest novels, the plot and the character arc are not parallel stories — they are the same story told simultaneously. The external events of the plot should force your character to confront the lie they believe. The internal journey should determine the outcome of the external conflict. A character who has healed, or failed to heal, should be the reason the plot resolves the way it does.
If your character arc could be swapped into a different plot, or if the plot would end the same way regardless of who the protagonist is, the two stories are not yet integrated. The integration is the work of revision — going back through with fresh eyes and asking: at every turning point, is this character's internal state actively shaping what happens next?
For a deep look at how character problems show up in finished manuscripts — and what editors are actually looking for — visit our editing guides. And if you want chapter-by-chapter feedback on whether your characters are landing, EditRoast can give you specific, scene-level notes on what's working and what's not.