First she is together with him, oh lets call him guy A,
lovey dovey as you call it, all sorts of sweettalks, intimacy, and whatever you can find in a relationship. She knows him, then get to know his friends.
I want you to take note of this particular friend, of course, Guy B.
like most teenage relationship, it ends, and i have no issues with it ending.
But what the fuck? you get together with one of his closest guy friend that guy B?
Aint cool sistarrr, Aint cool.