Because they ran out of Natural Light
The leaf, a rope stopped the emo.
A Lorry with Nice breaks doesn't stop until after a mile.
Don't worry, they'll let you know.
They planet.
A Fraudian slip.
One, but you can be sure a whole Reddit community will appear to expand the joke, make it funnier and eventually run it into the ground.
In the mush room!
A Klondike Bar
They both need natural light to survive!
He was trying to get some Natural Light.