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:

• Andrew Tate is against the COVID vaccine, but what about the vaccines for children for certain diseases?
• How does your architecture and interior design practice stay adaptable in a constantly evolving industry?
• Adopting a healthy diet may have cardiometabolic benefits regardless of weight loss - Harvard T.H. Chan School of Public Health
• What makes girls masturbate?
• A guide to sky-watching from summer to autumn - The Washington Post
• Trivago watched its revenue forecast plummet from $1 billion to nearly zero—so the company tapped a set of former interns to turn it around - Fortune
• What would explain Trump blaming Ukraine for starting the war with Russia?
• Low-cost green hydrogen production possible with Korean scientists’ new breakthrough - Interesting Engineering
• My waist finally looks like how it did before I had kids but I didn’t lose weight. Why am I still 15 lbs from my starting weight?
• What's the point of gender reassignment surgery which doesn't change a person's chromosomes?
• Have you or anyone you know invested in cryptocurrencies before? If so, which one did you invest in and how much profit did you make?