2 year break up - help

I'm 15 and have recently gone through a break up with a boy whom I was with for 2years - I am slowly getting through the emotions but the main thing that is bothering me is we did oral and he was my first to do that with an I feel yuck and terrible about I'm glad I didn't have sex with him but please give me some positive Things abou this situation and the oral to make me feel better ?