My Bf rubbed his against and on my inside but he never inserted his inside my ?

Hey me and my bf was messing around and he rubbed his against my but he never inserted his inside my hole, i was him while he was me while this happend i started too bleed alot. but my bleeding went after after a few minutes after i took a pregnancy test but it came out negative but then my periods started and i never took a pregnancy test after that because i thought its ok if it came out negative but ppl have sed u shud have tuk it after ur period are they right? but after lyk 2 weeks or so i had a period and it started again rele quikly now i feel sick throughout the day, after i eat and when i eat, i also feel dizzy in the night i go sleep and wake up i dont feel dizzy no mre but feel sick whenever im walkin around i feel pregnant because i feel my bellys got a litl bigger then before and i have been constipated for a week could i be pregnant :s