I wuv you watts and watts.
Seven. One to install the new bulb and six to figure out what to do with the old one for the next 10,000 years.
None, because people who glow in the dark don't need light bulbs.
Note: Topical to the Chernobyl Reactor disaster of 1984.
His son, because he's a little Bigger!
Because he wanted sweet dreams.