His roommate is … Mum

It may sound a bit like the movie Failure to Launch, in which Sarah Jessica Parker plays a woman who gets paid to help motivate men to move out of Mum’s house…but this is a bona fide real-life phenomenon. As hard as it is for some of us to fathom, there are men who continue to live with their mums well into their 20s, 30s, and beyond. And that is a deal-breaker, says actress and filmmaker, Audrey Lorea. “It’s not that he lives with his mother so much as it’s a symptom of a host of other problems,” she explains. These include lack of motivation, co-dependence, emotional immaturity and a fear of commitment. “Moving out and living on your own is a huge part of personal development, and if a man hasn’t taken this leap, you should assume he’s stunted in other areas of his life as well.”
Meanwhile, here are three tips for keeping your mother-in-law on side.
His roommate is…his ex

This is also more common than you’d think (or than you’d like to believe). Men who remain under the same roof as their exes will offer up all sorts of excuses for doing so: the kids, the finances, the housing market. But none of them are valid, according to Dr. Madden, and a smart and emotionally healthy woman will not date a man who is living with his ex. It’s a deal-breaker. Period.
He comes with a posse

Friends are healthy. A man should have friends. But what about if he’s got a posse that he travels with, or, worse, that he brings with him on dates?
That’s a deal-breaker, according to Dr. Madden. “More is not the merrier if you are honestly trying to get to know someone,” she explains, and a man who routinely brings his friends with him when he goes out with you is friend-zoning you, whether he realises it or not. And if he’s not doing it consciously, then you need to do it for him.
“If we’re just starting to date,” agrees Lindsey Hall, a 28-year old single blogger, “please don’t throw me into a situation with five or six of your bros. Be respectful and take me out separately. Otherwise, it’s a deal-breaker.”