i am 27 years old, sexually active male. i have had sex with the same woman for about 8 months now. last month i had 2 small bumps on my penis under the head, right at top of shaft.. they popped and went away. well 7 days ago they came back but i notice they have a fishy smell to them. no burning sensation, no itching, just the pimples and smell to them.. what could this be