I’m writing in first-person. My MC (21) lost her emotions in her childhood. In the main story, she tries to get them back in various ways. However, I don’t want it to feel rushed, like she got them all of a sudden in three or four chapters, but slow and steady throughout the book. What little things could make her character evolution be natural? I’m talking gestures, involuntary reactions, different responses in normal conversations, the way she treats people etc. She spends most of her time with only her mother and her two best friends, one which she will later fall in love with. Some background: she murdered two people before. Even after she recovers her feelings, she won't tell anyone. Her boyfriend finds out on his own. She is a bit secretive even after that. Her true personality that will unfold later? Caring, a kind person to be around with. She understands people better than before and can relate to them (as a psychology student). I still think I did a good enough job with my MC so far, but good enough will never be enough for me.