I am (not) a plumber
I am a programmer, but I like seeing how mechanical things work, so while I was giving my daughter a bath I decided I should “fix” the faucet (one of those Deltas with the plastic knob). The plastic had worn down on the handle so it couldn’t turn the hot/cold water easily. I took that off easily enough, but the stopper for the shower had been sticking so I thought I’d take a look at that. I began to unscrew the center piece and water started spraying out. I quickly surmised (in my best caveman voice) “Loose bad, tight good.” But it wouldn’t tighten (Later I realized the water pressure forced the ‘key’ out of the slot so it would not fit). I decided to go ahead and take it out only to have water shoot out the length of the tub. I hurried Sarah out of the bathroom. I finally turned the water off and went to Lowe’s to get the parts to fix it. All is well, but I am NOT a plumber.