Same, except that once it gets too big we take it out to my parents’ house in the mountains and plant it there. So far one has died and one is surviving and happily growing.

It’s a reference to a meme that was particularly popular on Tumblr at some point, it’s called Apollo’s Gift of Prophecy Dodgeball, you can google that to see some examples. Basically when someone makes an obvious and ridiculous joke that (much) later turns out to be true, they were struck by the dodgeball of prophecy.

Not necessarily? Icy water would have been rare, but even in the summer water from a stream or a lake is colder than the air, which is enough to make it refreshing. And well water can be very cold.