'If The Earth Was Flat, Why Haven't The Cats Pushed Everything Off By Now?'

The shower isn’t just a place to sing. Separated from our cellphones, standing under running water often allows people’s minds to run free.

Reddit has an entire “Shower Thoughts ” subreddit dedicated to “the miniature epiphanies you have that highlight the oddities within the familiar.” In honor of those weird, wonderful and sometimes profound musings, here are 25 of the best posts from the last week: