Why does Mario eat mushrooms?

[Thechalkblock]

Gintoki said:

Thechalkblock said:

Gintoki said:

Thechalkblock said:
I'll answer your question with another. Why wouldn't Mario eat mushrooms?

Oh...what about hearts as in Zelda!but then we're going to see a thread "why does Link has heart?"

To which you ask, Why doesn't Link has heart? 

why Samus has a lifebar?

Now that question is just beyond me haha.