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:

• Why are people of mixed race seen as more attractive than non-mixed-race people?
• Why is my older sister so mean to me as if I was her enemy?
• Largest map of the universe announced revealing 800,000 galaxies, challenging early cosmos theories - Phys.org
• Steve Jobs was brilliant but don’t copy this 'one habit' of him; warns Pixar's Pete Docter - Times of India
• Why do I smell bad even though I have good hygiene?
• What is vibe coding? A computer scientist explains what it means to have AI write computer code − and what risks that can entail - The Conversation
• Nvidia Scores U.K. Artificial Intelligence Infrastructure Deals - Investor's Business Daily
• FAA Says Newark Airport Should Be OK by October - Newser
• Oldest depiction of the Milky Way galaxy discovered in an Egyptian sarcophagus - Earth.com
• Does pressing a girls boobs hurt?