Guys that young like their space... I can imagine a hundred reasons why he would say no.
Guys that young also loooooove a willing woman to come home to every night.
My wife even said she just wants "fun". So they can be F buddies every now and then, and they can both do whatever else on the side.
Imagine having a horny older woman as a roommate who will do you ANYTIME no matter what you do elsewhere?
He might think he's won the lottery.
But you are right - this is a TRAIN WRECK waiting to happen because somebody somewhere is going to get attached or make a mistake and then there's ALOT of lease time left.
Me - 32 Her -30 Married - 7 Years Together - 9 Years No Kids 05/21 - Bomb 6/8 - Exposed 7/9 - Re-Exposed 06/11 - She Filed