You have to pay attention to orientation relative to gravity. The size of one's penis varies, and is also effect by temperature. So you have to make sure that there is adequate dribble clearance.
Remember, the scrotum is lined with muscle tissue. So it all changes shape and size, often influenced by temperature. Just need to pay attention to what you are doing.
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https://www.amazon.com/Why-Men-Hate-Goin…
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History According to Dougster
https://www.tuscl.net/postread.php?PID=4…