boyfriend watching porn

Kaylee • 💍05.26.17💍•Bipolar bitch🤘🏻•Clean~3 months👼🏼•Could be pregnant?!
Should I be worried of my boyfriend watching porn? 
I don't like him watching other couples having sex, it makes me feel weird! 
My question is, do u care if your boyfriend watches porn? 
Comment below I need help