When I was a very small child, I took swim­ming lessons at the pub­lic pool. I assume there was some trep­i­da­tion on my part, but learn to swim I sort of did, at the shal­low end of the pool. How­ev­er, as part of the course­work, we had to jump off the div­ing board at the deep end of the pool. I was­n’t very keen on doing that.
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