help!!!

Right sorry for this upload but I just have to know as I have been left feeling violated and just don't know how to feel really last night I was giving a blowjob to my boyfriend of 4 months and he pissed on me not a little but a bucket load I was so embarrassed that I didn't say anything and ran straight to the shower he didn't even know and just believed he was coming for a long time is this normal has it happened to anyone here