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:

• Do marathon racing shoes like Nike Vaporfly and Alphafly provide an unfair advantage to runners over competitors who do not wear them?
• Scientists decipher the genetic history of 400 medieval skeletons - Earth.com
• Dana White names the only fighter Jon Jones ever ducked and it’s not Tom Aspinall - Bloody Elbow
• June's full 'Strawberry Moon' illuminates the night sky next week: Here's how to see it - Space
• Does CloudFlare protect blackhat sites from DDOS attacks?
• What are some good methods for dealing with other people's loud, crying kids on long flights?
• First Map Made of a Solid’s Secret Quantum Geometry - quantamagazine.org
• How can one determine if a K-pop star is truly talented? Why do some people assume that all K-pop stars are equally talented solely based on their fame without any evidence?
• HSBC’s Mark Tucker to return to insurer AIA as chair - Financial Times
• Leak unveils first details on Google Pixel 12, Pixel 12 Pro (XL) and Pixel 12 Pro Fold - Notebookcheck