Sex drive is almost gone

Victoria
I'm 19 years old & I have the implant, lately I've noticed I'm not as excited as I use to be to have sex, I thought it was because I've been with the same person for almost 3 years! But I'm starting to think it's my BC. I want my sex drive back lol any suggestions to maybe help with this problem or even tips to spice up the bedroom?!?! S.O.S