Now.. This is probably so stupid but I need help. So my I feel my bestfriend could have a big of a 'thing' for my boyfirend.. When we talk in a group she always looks at him and she is a massive flirt. I get quite nervous that she could take him away. I have a bit of self esteem issues. Like what do I do? I've had a previous ex bestfriend do sexual stuff when my one of my exs. And I've got some trust issues, so I think she could do the same...