I know.

A phrase used in a matter of fact way when someone agrees with a statement of yours. Phrase owned by Ehlimana.

Person 1: Running is necessary to get away from kidnappers.
Person 2: True.
Person 1: I know.

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?