(RelationShip)I don't want him to think i'm fake. I NEED S0ME ADVICE .?

Ok everyone assume iam not a virgin. But, iam. So it's this boy i have been talkin to for a Year and sum time now. I want to give it up to him. But, i dont want him to think i'm fake because i haue already told him i wanted to have sex with him, i told him plenty of times, but i never said i was sexually active . But some thangs that i told him in the pass i know he assume that iam . I d0nt want hem t0 think im a p0ser,or a fake. What should i do ?