It's not as painful as it sounds.

[A group of students are discussing swimming.]
Guy: Yeah... I love to swim... and inner-tube. Oh, and I love cliff-diving.
Girl: How on earth do you do that?!?
Guy: Cliff-diving? Just like it sounds.
Girl: I still don't understand.
Me: You just jump off a cliff!
Guy: Yeah.
Girl: But how do you land?!?
Guy: Hopefully with your feet first.
Girl: But how does that not break your legs?
Me: You're jumping into water...
Girl: Oh...

- Animal Sciences