This takes

Look at that lake - It's Frozen! Do you really think I would jump in there?

Sure, why not? Or if you don't want to go swimming, you can just roll in the snow naked like a maniac!

Hmmm...okay, I will go swimming if you will too. I must be crazy to do this.

Great! Lets run down there and take a plunge into the clean lake water. Last one in is an icicle!

Hey, this is not as bad as I thought it would be. But I don't want to stay in here too long. Look, this cold water makes things shrink!

Yeah, I see that. Okay, let's go back into the sauna then and get all warm again.