I recieved a rimjob from a girl for around 5 minutes, I have read that's it's basically zero risk to me and more risk for her, but my anxiety has gone crazy going on Dr Google.. my anus is now always moist, even just sitting around relaxing it's moist,( I never really noticed before)Dr Google says it could be a STD, if I got herpes would it be so painful that I would know? Would it be obvious? And once again is the chance so low I'm worrying for nothing?