Constipated and bloated?

So I have been the most paranoid over the past few weeks. Me and my boyfriend had protected sex but the condom slipped off during but he pulled out immediately after he felt it slip off. He didn’t finish and wasn’t close to finishing. I know you can get pregnant from precum but I asked him if he pee’d before us having sex. He said yes and the last time that he masterbated was one to two days prior. Can someone calm my nerves or talk to me through this situation. I’m not ready to have a baby...