Sex Drive

So I'm 30 & I've always had a very high sex drive but here lately it's become almost non existent. I'm still very attracted to my husband & I want to "be" with him but I just feel blah. I seem to never be in the mood. My husband has always had a lower sex drive than me so now that mine is just about non existent I can tell he is worried its him. We've been TTC for almost a year with no luck. Anyone have any suggestions as to what can help my sex drive?