Am I allowed to be mad?

My bf and I do not see each other often so we FaceTime frequently in order to feel connected an together. His friends are usually at his house until late night whenever they come over, even when they come over in the morning. I try not to be upset about it because I know he should be able to have a social life but I just feel less important. It's just that I'm always getting hung up on whenever we're supposed to talk and that's usually the only time we talk because I get home later from school than he does. I just feel like his friends see him all the time and they all go to the same school so it just pisses me off even more that I have to give up my talk time for his friends. I probably sound immature and selfish but I got so used to how things were before and it's hard to adapt when I also work. But I guess what I'm trying to say is am I wrong for being upset?

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