It really has a lot of ups and downs
To be like Vanna White and learn the alphabet.
None, because they keep on asking why all of the other light bulbs in the house aren't being changed at the same time.
It had a lot of problems
Because they contain a lot of fowl language.
Algorithm.
Non-habit forming
It has it's ups and downs.
Oh, it has its up and downs...
Because they have been extinct for 65 million years.
Diving