I am writing a romantasy novel and I’m starting out with a love interest who was a previous ex. In the end, he will betray her, however I need some character flaws that leaves characters feeling uneasy about him. Any tips?

Read also:

• How can consumers verify the power claims of light therapy devices?
• Why is Joe Biden so vocal about supporting Ukraine's defense against Russia?
• Microsoft’s Bad News—500 Million Windows Users Must Now Decide - Forbes
• How safe is it to travel to Kashmir in 2024?
• The sun's poles have flipped. A spacecraft is watching what happens next. - Mashable
• I used the Samsung Galaxy S25 Ultra and Galaxy A16; here’s what $1,100 more buys you - Android Police
• Gold-eating fungus could help find metals on Earth and asteroids - Earth.com
• Candace Cameron Bure, 49, Flaunts Ultra-Toned Body in Bikini - AOL.com
• What happened to Jordan Peterson? I used to really admire him before he became obsessed with being "anti-woke".
• What is the reason behind some people wearing trunks instead of speedos when swimming in pools?
• Hell Is Us' Intriguingly Bold Design Decisions Refuse To Give You A Hint - GameSpot
• When I buy a house, do I automatically own all items the previous owner failed to remove from the property?