Sex....rant:/

Sex...lately for me hasn't been that good. I ALWAYS make the first move. (As in grabbing his dock and giving him a bj) ...if I don't make the first move it takes him FOREVER to make a move....lately though the attention has been all on him. He's starting to get lazy in the sheets. I could start off giving him a bj and when I'm ready for intercourse he wants me to get on top and finish him off... The last three or four times sex has been like that... Its really hard too because I'm starting to get really far Long in my pregnancy and my tummy is HUGE...and heavy. Not to mention my hip and back pain I've been having..which is making it hard for me to even walk to the bathroom to pee. Kinda frustrated...I havnt given him sex in three days and my lady parts are starving. And I'm lazy :( my mood towards sex is slowly dwindling down.