That's not a tantrum, that's your fingertips thinking "hmmm, we've been wet for a while... I'd better increase my surface area for better grip so I can execute a sweet hip throw on the next attacker I encounter." Your body wants to develop its innate kung fu potential!
People were really doing martial arts under waterfalls for hours without a break
uhm ... what?
TV never tells a lie, didn't you know? The whole planet was black&white before '55.
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The best ones are thoughts that many people can relate to and they find something funny or interesting in regular stuff.