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:

• MIT Discovers Magnetic Superconductor in Pencil Lead - SciTechDaily
• My boyfriend wants to break up over too many petty arguments. To me, they are molehills because I truly love him & don't really think twice about them. If he loved me would he work through it?
• LSU baseball vs. UCLA game suspended on Monday night. Here's when it will resume - NOLA.com
• McDonald's shares slip after downgrade spurred by weight-loss drug popularity - CBS News
• If women see themselves as free, dignified, human beings just as good as men, can Trump hang it up and just lose in a landslide at last? How can men who like and respect women help improve womens' self-esteem?
• Weed Could Be Wrecking Your Heart – Study Uncovers Dangers of Smoking and Edibles - SciTechDaily
• Why am I so jealous towards couples? Why am I tired of being single and feel my life is over?
• Why do Muslims not get HIV/AIDS in spite of having 4 wives and multiple relationships?
• Why do foolish atheists think their strange delusional theories are facts?
• Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
• Sydney Sweeney Gained 30 Pounds for “Crazy” Christy Martin Biopic Transformation - The Hollywood Reporter
• macOS Tahoe's New Theming System Explained - MacRumors