Sorta embarassed

My husband and I were married about two years ago, I was a little over seventeen and he was twenty one, when we first got together we had amazing sex sometimes 3-5 times in a twenty four hour period; but now things have slowed down, well he has slowed down, and my drive has stayed the same, any advice would be helpful; my husband is going to iraq soon and I would hate for something this small to give us problems right before he leaves Tweet