Is OTHER wrong in the post ? POST : **TL/DR: I have not spoken to a friend for a year or so because I felt ditched and left out.** 

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I (24F) and my friend (24F) have been friends throughout university and a little bit after that (so maybe 4-5 years in total). We used to be quite close and would support each other through difficult time. The event in question occured maybe 1-2 years after university. She and I lived in different towns at this stage and we agreed that we would spend some time around New Years at her holiday home. 

I brought my partner with me (30M) with her consent. She had her family over at that time (so mum, dad, brothers, etc), her partner (24M) and her housemate (24F). Several others were also present but not quite important to the story. 

Her holiday home is situated in a beach area. I have mentioned it several times that my partner is not that great at swimming (he can float and take care of himself in shallow water but he is not particularly confident in deep water). No issue arose so off we went to her holiday home. 

First day we (me and my partner, along with her and her partner) at the beach, enjoying the hot sun and water (you may now notice that I live in the Southern Hemisphere). It was great and it was fun. She then mentioned that the next day she and her partner would have to pick up her housemate from the airport (as she flew in) and she will be gone at most several hours. Obviously my partner and I felt a bit awkward since we did not know her family very well (but they were extremely kind) but we thought we could spend the second day just sightseeing and going to the beach again just us two. So second day, off she went to pick up her housemate. "Several hours" turned into the whole day  - while I was irritated I understood that they might want to stop at several places along the way.

This is the first time I met the housemate - I really tried to talk to her and get to know her but I had a feeling she did not like me very much from the way she brushed me off. I don't want to sound too high-schooly since we were adults but it also felt like she did not like that we were there with my friend (as in, she wanted to be the centre of attention). I am a pretty quiet person so I couldn't care about attention, and I slowly allowed her the limelight because to be honest, I kind of just wanted to spend time with my friend since we haven't seen each other for a while and I did not really care for the competition.

Third day - we all (including her brothers) went to a swimming place (like a creek area not a beach). I let her and her housemate, her brothers, and her partner have fun in the deeper end while I hang out with my partner at the shallower end. We weren't being downers - we laughed at their dives and encouraged them to have their own fun as we were actually enjoying ourselves as well. That night, we were playing cards against humanity and I thought we were all having fun. But maybe sometime during I must have annoyed my friend because she all of the sudden went off to do something else (with her housemate following her) while I continued to play the game with everyone else. 

Fourth day - during the morning, my friend came up to me and told me that her, her housemate, and her partner wanted to go on their boat. The conversation goes something like this:

&gt;Her: Hey, we wanted to go on the boat today. Sorry but it can only take 3 people.  
&gt;  
&gt;Me: Oh ok I guess... so I'm guessing it's just you, \[your housemate\] and \[your partner\]?  
&gt;  
&gt;Her: Yeah, are you and \[my partner\] have any plans today then? You can totally go to the beach again  
&gt;  
&gt;Me: I guess we could. I'm sure we will find something we can do. 

For some reason, I was extremely angry at this point. I quite literally came all the way down to her place to see her and spend time with her as friends. But I felt ditched and quite frankly if I wanted to just spend time with my partner I WOULD JUST GO WITH HIM ELSEWHERE. It could also be the compouding effect of everything else that happened - feeling left out because of her housemate's attitude, her ditching me on the second day for the whole day, and me feeling quite out of place with her family members (I'm really shy and while I can hold conversations I don't generally like to be with people I don't really know that well). Also just as a background: I always try to make plans with her when she's in my town (she goes often because her partner lives in my town) and she would normally cancel (myriad reasons). This may have also fueled my anger slightly. 

She may have ditched me and my partner because of his swimming issue - valid reason but in my mind, I would never ditch someone like that. I would try to actually find activities that we could all do together, but I guess what I would have done in her position is not really that relevant. 

I talked with my partner and we decided that we want to go home (it's within driving distance for us). However, I felt bad for her family's hospitality to us (they were really kind and did not charge us for staying with them and fed us) so we bought them an expensive bottle of champagne and some more BBQ type food for everyone as a thank you. I gave these to her mum while my friend was out on the boat, we then gathered our things and we left without saying goodbye to my friend. 

She tried calling that night, and I eventually told her that I was back home (I kept it civil, I didn't call her names or even express my anger at her). We have not talked since then (this was 2017-2018 new years), and this has been on my mind a lot lately. I guess I want to know if I'm the person in the wrong for not reaching out because of this. 