Take away his credit card
or
Because E.T. eventually went home!
or
When it came time to pay, the skunk didn't have a scent, the deer didn't have a buck so they put the meal on the duck's bill.
or
A Chair!
or
Twenty. One to hold the bulb, two to turn the ladder, and 17 to be on the guest list.
or
Five: one to handle the bulb and four to contemplate how David Sanborn would've done it.
or