Because you can put it in someones drink
The milky way!
Big Voss.
Because on the left side of the brain there is nothing right and on the right side there is nothing left!
Because they Marry Christmas!
Tweethearts!
Easy. Lock them both in a trunk and watch who will be happier to see you after you open it in 15 minutes.
Chemistry, because there is lots of acid involved.
I dunno, but I'll go down in math and chemistry too.