I: Undulations So we’re sitting in Melbourne in a vegan restaurant reminiscing about our school days spent mucking-up in the back row and Jane (her hair still red, short and frizzy, like childhood) remembers daring me to ask our fourth-grade Geography teacher how to spell “undulations”. What? “Because I wanted to write her a message,” Jane says. “An unsigned message saying, ‘The way you run your hands over your boobs to demonstrate undulations is disgusting,’ but didn’t know how to spell it. So I told you that if you were my friend, you’d ask her. You know how she always…