my boyfriend and i were fooling around and he started rubbing his penis on my vagina without a condom but i didn’t go any further than that, and it happened about 1.2 weeks ago , and i didnt have my period for the whole of december , and i still haven’t had my period yet, it is currently 6th of january. i’m scared he might have precummed or something! should i be worried or am i just being paranoid?! someone please help!