Sex like once a week

Me and my partner have been together for 9 months, we have lived together at my dads from the beginning as he moved from France to England to be with me so was homeless basically but anyway we only have sex like once a week he just isn't in the mood very often and like sometimes I feel he has a boner and still we don't have sex unless inlike practically rape him lol (joke) but like I have to really seduce him. Sometimes I lay there naked trying to get his attention and he don't really notice, I just feel like we've not even been together a year we should still be in the crazy sex like rabbits stage