Ah! Yes. Thank you. One thing I didn't mention is that I've seen this described by pro cooks like "you know when the pan is hot enough when water droplets don't

Ah! Yes. Thank you. One thing I didn't mention is that I've seen this described by pro cooks like "you know when the pan is hot enough when water droplets don't merely boil off quickly, but instead dance around rapidly in the pan". Leidenfrost! TIL