Should i forget this happened

So i had unprotected sex on the 2nd of july. He pre came in me . i think idrk . we did it again on the sixth and im pretty sure he did then . we did it again on the 8th or 9th n nothing really happened orgasm wise . we did it again last night . well basically yesterday night since its 12 am . but anyways ive been throwin up and ive been really really moody and im laye by ah week and 2 days i think . plz lmk what you guys think . plz no negative comments i came here for help ik that im stupid for not using protection.