<human>: Can you succinctly summarize the text in 1-3 sentences?

**(I should mention I changed some detials like my age and stuff just in case)**

 Okay so I've been friends with this girl for about 3 years and we became "best friends" in the past couple months. Anyway she had a celebration for her birthday recently and I went out of my way to get her some really thoughtful stuff(things for her hobbies and small things she had been asking for). Anyway I give her the stuff and another friend gets her this shitty plastic cup. She doesn't really say much then we go off to eat. Anyway at the end of the day on the way home she starts going off at me for something dumb(I can't remember but it was something super dumb) and it starts to irritate me. At one point she calls me a nasty name and we end the discussion.(she has a tendency to be nasty to me with things I have like for example I have a smart watch and she goes on a rant on FB about why people who get these things are stupid idiots and how pathetic they are. Shes done this on more than one occasion and its been directed at me specifically and I KNOW its at me, its not just me being overly sensitive). Anyway after we get home we all kinda celebrate for a little and she just says to her other friend "lets go to your house" and ditches me. She made me come a long to celebrate then at the end she just ditches me wtf. (I should also mention I am dating a family member of hers(not a dad or anything like that lol)). I went specifically to celebrate for HER birthday then she just bails to do whatever else. 

I ask this because usually people say I'm over-dramatic but I didn't know I am or if I have the right to be angry.
<bot>: My friends done some shitty things and I want to know if I'm being dramatic(which I usually am) or if she's not a real friend.