None. People that glow in the dark don't need lights.
Irrelevant, you will be assimilated!
Only one; But it takes a WHOLE E.R. room to extract it afterwards. Double joke! "whole... hole." it's a play on words
Lighting fires.
A Christmas tree. Because they're lit.
Has the fail whale been stalking me. Help, stranger danger!
They like to express the right to bear arms.
One but the bulb will have to spend four hours in the waiting room.
Sorry we closed 18 seconds ago and I've just cashed up.
They need it to shoot themselves in the foot.
Because he has his own shoulder to cry on. Edit: all credit goes to /u/Earleebird who posted it in a comment in /r/oldschoolcool
The torch is a symbol of her inability to read in the dark.
Because he was alfredo the dark!
Obi-Wan: We'll be stealthy. *turns on huge, glowing laser sword*
Fission chips.
Survivor guilt.