Okay, her premise doesn’t reflect any reality I’m familiar with.
And while what he’s saying sounds suitably depressing, I’m not really sure how it relates to what she’s saying in any constructive way.
… but all I could think here was “If you try to eat twelves grapes as quickly as possible, somebody’s going to choke.”
I’d alter this this to “Eat a grape, (swallow), make a wish, then eat another grape, (swallow), make another wish…”
Even if they’ve had that carpet a lot of years…