Celestia smokes weed to stabilize her mentality so she doesn't flatout kill ponies in the street and eat their bodies. Also, she's at a party.
One apple a day keeps the doctor away.
But can an apple instantly make you the funniest mofo at a party no questions asked?
(Yeah. Didn't think so.)

Also, please fucking die. That is all. Enjoy my story, and then die, I guess. I dunno. You do you.