He said he is selfish
So, me and my bf have been dating for 6 months already. I have met his friends and he have met mine during the course of our relationship. We both posted pictures of each other through social media. He got invited to his friend's wedding next month. I asked him if he wanted me be his date. He said he wants to go alone because he is selfish and just wants to spend some time with his friend at their wedding. Should I overreact to this or just take it as him bonding with his friend, since they rarely see each other nowadays due to their crazy schedules?
Yes, he is right - he's selfish.
Surely, he does not think he's going to spend time with the bridegroom that day? I think that guy will be somewhat busy.
You should not have asked him if he wanted you to be his date. This should have been a no-brainer that you were to be invited with him.
This might give you an indication of how immature he is, and -yes - selfish. RE-think this relationship. 5 months is not a long time.
Something is definitely wrong or going on here, if he doesn't want you at the wedding. You should have a look and see, is it him being selfish (I find that really strange tbh, that he would say that) is it his friend? are you being clingy? ..
I have no idea about any of these things for a fact as I don't know you or him, and I don't want to start making you paranoid, but something is definitely not right, especially only 6 months in, I could see the point if you were together years and one of you couldn;t be bothered going, but 6 months is new, it should be showing off as a couple time.