Hi, the other day i woke up and took a shower and noticed a very shiny pink bump on the shaft of my penis. it is about 2 mm across and 3 mm long. I only have one as of right now and i am worried that it is herpes or another form of std. I haven't had unprotected sex for the last 2 months and this is my first symptom. Does anyone know what this could be or have an issue like this?