b.y.o.s.f.
B. Y. O. S. F. is when you bring your friend to a party just so you don't have to talk to anyone else.
I brought my friend to the party so I wouldn't have to talk to my ex.
My friend came to the party so he wouldn't have to talk to his ex's new boyfriend.
I brought my friend to the party so I wouldn't have to talk to my ex's new boyfriend.