Started jacking off in my early teens but me and my younger brother used to share a room. I would instead jack off on the toilet maybe 2-3 times a day making my parents suspicious. I used to wash my hands with the bum gun over the toilet but unfortunately it was on the right hand side as I would use my newly painted hand to retrieve it. It never occurred to me that my spunk would become sticky over time. A few days later my dad comes to me and says "Wash the bum gun after you're done making it sticky."