Two, one to change the lightbulb, and the other to bask in the light of the old one.
Find out next time on Dragon Ball Z!
One. Vegans have the same capability of changing a lightbulb as non-vegans.
Because the light at the end of the tunnel is New Jersey.
I can go to sleep with a light on
Both should be changed regularly, and both for the same reason.
They grab the stack of un-signed adoption papers, stand on top of them, then proceed to change the light bulb.
The Know-Nothings!
To bask in social approval.