Definitely! Les Mis茅rables is a renowned novel that has captured the hearts of many readers worldwide. It explores various themes and has a richly developed plot and characters.
He might leave to protect Kara and the unborn child. Maybe he discovers that there is some kind of danger following him that could put them in jeopardy, so he decides to sacrifice his time with them to keep them safe.
Even though Mon - El leaves, their relationship can still develop. Kara could keep a journal for the baby, writing about her feelings for Mon - El. When Mon - El returns (if he does), he could read it and realize how much Kara truly loved him. Also, Kara might have dreams or visions of Mon - El during her pregnancy, which could show that their connection is still strong on an emotional level.
Les Mis茅rables isn't based on actual events. It's a work of fiction that explores various themes and characters created by the author's imagination. However, it may draw inspiration from social and historical contexts of the time.