Does the Loch Ness Monster really exist? What happened to the crew of Mary Celeste? And what are guys up to when they're taking long showers? While we might never find out the answers to the first two mysteries, the latter has just been revealed. Together with a bunch of other men secrets most girls probably have no clue about. Recently, someone on reddit asked "What Are Some 'Guy Secrets' Girls Don't Know About?" and it got funnier and funnier with every answer. Amassing over 80K upvotes in just a few days, this post has become sort of like a diary of the 21st century man, and you couldn't make this stuff up. Scroll down to check out the entries and upvote your faves!