Please bare with my explanatory skills, as they are quite low

I may aswell start from the beginning as it will give a better understanding. Been out with my GF for nearly 6 months now, kinda serious relationship. We've never really had any fights whatsoever, however I've felt that I'm tired of being with her and other girls that I interact with are much more fun to be with. I've been told by my mates that I should just dump her but instead of doing that i've been pretending I'm still into her while I have flirted with, lets call her Girl B.

I officially knew I'm in the wrong when I kissed Girl B a few days ago (havent seen her since then) and feel I should come clean and dump her when I feel is ready, however I couldnt now because it was her Bday yesterday and I want to wait atleast 2 weeks xD Anyway, today a close friend of hers (a guy) gave her a vibrator as a present. She told me about this and I honestly don't know how to react. I'm slightly pissed off but I don't know why, seeing as I'm dumping her in two weeks... should I act as if I don't care? or show my true feelings about this gift? does it even matter?

From the beginning, I told myself I wouldn't care how the relationship goes but I've become so insecure and paranoid in this relationship, its actually shocked me but i'm learning to stop being like that.

-Tubbs

Well my PUA brain tells me you shouldn't care about the gift and you should be all like 'woo we can have some fun with this!'.

But why on earth did he give it to her? Do you know why?

Yeah I agree, but I'm more concerned about the logic behind why he would give such a gift as a birthday present. I am also weary that he attempts to flirt with her which is making me paranoid lol

Omg what a fucking retard. Its very disrespectful to give a friend who has a relationship something like that and unless he and her have this super good funny band its just plain weird.

Your gonna dump her anyway so if i were you i would not talk about it but if you know who gave it to her, i would not be friendly to him at all and just ignore the dude.

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Do not make external things like girls define your happiness or you will live a harsh life. Keep doing what you love and keep improving as a man.