2-year-old: The potty. Me: So why didn't you 2: I'm too busy.
The mathematician says "2" The Physicist says "2, plus or minus 0.1" The engineer says "Probably around 2, but let's say 3 to be on the safe side".
Because 2 Half-Lives = 1 whole life.
Poop in the specimen cup.
Tree turdy.
Because XD Edit : Sorry about the typo the second are is not supposed to be here
Throw a dollar bill in the floor and let the last one alive run for president.
Gatorade