writing characters

So in one of my projects I have a very...innocent character. She is strong and mighty in numerous ways, but seduction is not a thing she's capable of, she's too shy for it. One of her antagonists can withstand everything she throws at him, at one point I'm pretty sure at one point she breaks...

In one of my stories I'm writing a stoic character, the hitch is he's spent enough time people watching (In a non creepy way) in his workplace that he's, kind of figured out emotion. He fully admits that emotion in and of itself is still a mystery to him, but he understands the social cues...