Both should be changed regularly, and both for the same reason.
There's really no sure way to know.
A hundred but they'll all be competing to be the one to change the bulb and bring light to the world.
One acts solely for money, the other is the actor.
Poll dancing!
To hide his nuts!!
Ten. One to change it and nine to downvote for no reason.
Me: Procrastination. B: How is that a positive M: I'll give you my reasons. Later.