Annoyed

My bf has a cousin who can sometimes be annoying he snapchats him text him all the time nd most importantly he gets him to do things i cant. He tells me he doesnt like to drink his cousin ask him hes down, hell tell me he doesnt want to watch a movie if his cousin ask he now wants to go,  he claims he doesnt like clubs today he text me his cousin asked if we wants to go to a club and can we go.., like wtf i feel anything i want him to do i should ask his cousin to ask for me