Shower thoughts are a real hit or miss. Either they're horrifically funny, or terribly scary. I'd like to think that the best ones are a bit of both. The most genius thoughts we have in life don't come to us when we're stressing at work… no, they come to us when we're singing U2 at the top of our lungs whilst pretending to play the guitar, warm water gushing over our heads like a waterfall. Someone in the next room may or may not be yelling at us, demanding that we shut up. In other words, good…