Should i break up with my boyfriend? What are these feelings?

Hi, I have been together with my boyfriend for almost three years. Everything is great in our relationship at this moment( no cheating or big fights), but he annoys the hell out of me. he is gone at uni for the week and comes home during each weekend. I miss him during the week but in weekends everything he does annoys me, which is weird.

I feel stressed at this moment because I have an exam simulation( for admittance at uni) in 2 weeks and maybe is that? Nothing changed ab him, but he annoys me so much.

What should I do?