2 pieces and then i pick at it.

Depends on how big the pizza is. But I'm usually happy with four.

That depends on how big the slices are.

4-5 but pizza is overrated to me

Usually two

Two.

That depends on the size of the pizza. The ex and I used to split a large pizza, and, typically, we could eat 3 slices each with a fourth left over.

Depends.

Thin crust: 4
Regular crust: 1-2
Deep dish: 1

About 4.