GF gets messages from a "Friend" who continually professes his love for her.

[teemoo215]

My GF has a "friend" who for the last year has been sending her messages that he is "smitten' with her. Sends selfies, Invites her on trips, Recently sent pics and said "the only thing missing is you". This is what I know about. She has never told him she is in a relationship or set boundaries. She speaks to him semi regularly and has admitted she has flirted in the past. Shes told me he gives her something that I do not. I feel like this disrespects me and our relationship and is inappropriate. That she is just as responsible as him. If this was me, I would never hear the end of it. Im having a tough time trusting her and Im resentful shes done nothing to deal with the situation. Am I crazy?

[Julia]

She has never told him she is in a relationship or set boundaries.

If she hasn't done this, then it's obvious she doesn't love you as much as you think you does.

It's better to be single than to be with someone who disrespect you and treats you badly.

[Caleb]

Shes told me he gives her something that I do not.

Yes, this is a clear indication that she is more into that guy than she's into you. This girl don't deserve you, so it's better to end things before you eventually get hurt.