Is it okay if your SO. is regularly (every 2 weeks) sleeping at an opposite gender's house?

Anonymous

my girlfriend met a guy at a party and they have been chatting, and meeting 1on1. She sometimes sleeps at his place after a party.

But she says he is just a friend. What do you think I should do?

Is it okay if your SO. is regularly (every 2 weeks) sleeping at an opposite gender's house?
2 Opinion