I'd like to suggest that there are more ways to incorporate jealousy in our novels, rather than through unstable, slightly "off" villains or heroes with chips on their shoulders.
The article I wrote this month for Nicole O'dell's Choose Now Ministries focuses on how parents can help teens navigate resentment. Especially toward the end, I think you'll see some good suggestions for a different kind of character arc for heroes/heroines dealing with jealousy.
Here's a teaser:
“Resentment is like taking poison and hoping the other person dies.”
– St. Augustine
The Lord made us emotional beings, but in so doing, he didn’t screen certain emotions from our range of experience. Would that he had, right? Most people don’t exactly thank God for giving us jealousy.
But could it be that jealousy has gotten a bad rap?
Click here to read the rest of the article.