I'd do that all day

When something is such a good deal or idea that you would gladly take it at any time

Them: $500 a month utilities and internet are included
You: I'd do that all day!

Do you know what?

Legend has it he still does not know what

I don't know why they wont let me change the plan. *long pause* Do you know what?

never do that

never do that

when they tell you

person 1: never do that
person 2: no! i wont