I feel like the biggest piece of shit ever

So I had been drinking and then I was texting my friend(FWB) and I went to his house and we were talking and then he go in my truck we started making out and everything was perfect and then I was giving him a blowjob and everything was still going good till the end he was about to cum and his whole dick was in my mouth and I was gagging and then I THREW UP ON HIS DICK!!!!!!!!!!🙈🙈🙈🙈🙈 he said it was fine me but I feel so terrible I don't know what to think anyone done this before I need help he's very understanding but that is gross and  I hate myself for it