Man: Can pipe turn to ice?
Woman: No, pipe can’t turn to ice, but the water in the pipes can turn to ice if it gets really cold.
Man: Then what happens?
Woman: If the water in the pipes freezes then the pipes burst, poh.
Man: And if the pipes burst, then you have to repair the plumbing.
Woman: You certainly do.
You certainly do.
What is the best synonym for “You certainly do”?