His Girlfriend is Letting Her Flirty Male Friend Stay With Her. What Should He Do?

When you are dating someone, the lines between jealousy/controlling and being reasonable can get a little murky sometimes. However, this is not one of those cases:

I’VE GOT COMPETITION My girlfriend’s letting her flirty mate stay with her and it bothers me

I used to play this game competitively and my girlfriend first messaged one of my teammates when I was feeling down. I am 23, she is 20 and this guy is 25.

He started messaging her every day saying he was “there for her” if her relationship was in trouble, then said he loves her and wants her.