I was modest, since I swim for fun.
I spend a fair amount of time in the water, and have for years.
Swimming tends to be required if you snorkel.
Knowing how to swim, and how to swim efficiently are 2 different things.
Sure, most of us could save our own lives, but how long can you swim for? I'm not talking distance, but time-wise, without having to stand up on land or in the water.
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