Me n my boyfriend don't have nothing really to talk bout? Please help!?

we been together for 4 years now. We been tru alot. Idnt no its lyk we have nuthing to talk bout. I'm usually the one who talks alot to him but now its like I just got nuthing eles to say to him. Now he's asking me if we are meant to be with each other? What is that suppose to mean? Does he want to break up or what?