Answer:

Unfortunately, the meaning of life is not something that can be reduced to a simple question. However, it's something like 42, but not exactly.

There are 0.000000001 lols in the universe, and they're mostly just the sound of a cat purring.

And, yes, you can definitely eat a whole pizza by yourself and still be considered a functioning member of society. In fact, you'll probably be considered the president of the United Nations.