Am i right to be annoyed?

Iv been with my boyfriend for a year nd a bit im 18 and hes 19 hes my first love and everything I love him so much that i would do anything for him. We have just found out that i am pregnant and we are keeping the baby. He went out clubbing last night and i was fine like hes got a life at the moment he can go out and i go out sometimes but he promised me that he would come round mine and babysit for my brother and sister and he was like oh i cant im with my friend i dont wanna skank him out ... does that mean its right for him to skank me out ?? i no bros before hoes nd all that shiit but i reli wanted to see him 2day and i pissed of do u thing im right to be?