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Thanks for the brick example. I'm going to use that a lot!

It's just as easy to analogize it as picking up a brick is to lifeguard training as it is to say it's swimming in melted chocolate is relevant to lifeguard training.

Your question has no scientific justification. It just is a problem you can do, and you like yourself and think you're awesome. So you think it finds people like you. But even that isn't scientifically supported.

Lifeguard here. The brick is actually part of lifeguard training, at least where I'm from.

At least for Red Cross certification, the training is a mix of teaching and test. The basic swimming skills are basically a test, as it's incredibly unlikely that someone would develop those in the 2-3 days that the course runs.

When I was a young lad you had to pass basic, intermediate, and advanced swimming classes before signing up for the guard class. Each class took about two weeks of daily lessons at the local pond.

This qualified me to sit next to a pool in a condo complex where no one ever swam for eight hours a day. Best job I ever had.

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