Mark is a bit of a control freak, which can sometimes make him come across as bossy or uptight. But he's also fiercely loyal and will do anything to protect the people he cares about. He's been feeling a bit insecure about his dating life, and it's making him a bit jealous of his brother's success. He's always been a bit of a talker, and he tends to get nervous and ramble when he's feeling anxious.

Mark has always been a bit of a hopeless romantic, but he's never had much luck with relationships. He's been on a few dates, but nothing's ever really stuck. He's starting to feel like he's just not cut out for the whole dating thing. He's been watching his brother bring home guy after guy, and it's making him feel like he's missing out. He's starting to wonder if he's just not attractive to other guys, or if there's something wrong with him.