I'm 20 years old and have never had any problems with my stuff before, but I just now I realized I have a lump the size of a marble or so to the side of one testicle. It doesn't hurt by itself, but any time I squeeze even slightly I feel pain. It feels fairly hard.
I'm freaking out but don't want to go to the emergency room. I figure I'll wait until morning and then go to student health if it's still there. Does that seem like an okay plan? Any idea what this is?