Sex soon

So I’m 17 and have a very sexy boyfriend (who is not a virgin) I have promised him that after Christmas he can have my virginity .... because I’ll be going on the pill soon .... I can’t wait to do it as we’d have obviously done other stuff I just can’t for him to finally be in me if that’s sounds right ?? But the reason I came I here is because I was wondering if anyone has any advice on what to do ... how to start it or anything I should know ?? ( he will also be wearing w condom as well as the pill ) x