This one's inspired by a scene in the early pages of
War and Peace, which I'm now reading in the new translation that just came out. This character, Dolokhov, bets that he can sit on the windowsill of the room he and his friends are in are drink a whole bottle of liquor while not holding on without falling out:

This one's inspired by my experience in 1990 of swimming/walking into phosphorescence in the Gulf of Mexico, though I've made the characater here a woman: