I learned to swim just as I learned how to ride a bicycle: I just laid down in the water one day and swam out to the far raft (~1/2 mile.) I was 12 and was tired of seeing everybody else my age out there.
When I was 10, I climbed on a friend's bike and started to ride. When I was 16, I put on a pair of roller skates for the first time, and started going around the floor.
I still don't know why I didn't do those things earlier in life.
None of those skills kept me from banging into, tripping over and falling over my own feet when trying to walk in public. I could trip over a thread dropped on the sidewalk, if it was a block away.
Pops
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Tools are dangerous only while being controlled by a human.