I need help? Can u please help me?

Me and my Bf being dating for a 3 years and now it just be really wired and when we talk were all yep and yea and okay and there like nothing for us to talk and yesterday i was talking to him and he all like he bored amm all like am bored too so idk but there nothing to talk about but i want to talk to him he dose too but idk he like jokes if u have an really good jokes or anyting please write them and can u please answer please i appreciated alot