It kind of makes sense in the same way that it makes her think of Robert and how she'd literally wanted to burn down the memories of their relationship together and then literally did it, but Rebecca has enough self control that she doesn't mention that much to Molly and just nods, humming in agreement.

(Of course, Robert had also dumped Rebecca and hadn't disappeared and she's not sure which is more devastating, but it sounds like Molly has a hell of a lot going on in addition to that.)

"Wait," Rebecca says, holding up her hands like a white flag. "There's... you're telling me there's an Ikea-Target hybrid?"