No more sex till I'm 25

I'm a very paranoid person when it comes to sex I had sex the 16 of july so far has been 14 days but my period doesn't come till august in 7 days I hope my period will come but I was also safe with it we used 3 condoms (not all at once) used 1 condom he came too quick then we used a second one and it started slipping but we noticed right away the 3rd one he never came on it so I just gave him head I think I'm fine and a lot of my friends have said I'm fine but I'm still paranoid but i haven't had symptoms of pregnancy and it's past 12 day can someone plz comment and tell me what u think I need a lot of opinions or thoughts on this