In high school, I would use only the bathroom on the second floor, at the far left corner of the campus. And only the third stall. Between third and fourth period. Somehow this came up in a conversation with my mom. I told her it was because all of the delinquents smoked in the other bathrooms and I didn’t want to get falsely accused of lighting up. She thought this was a testament to my careful nature and ability to foresee negative consequences. If she had only known….
But that is why I now have such impressive bladder capacity.