He nods. Makes sense, it seems his cousin and friend had planned their excursion with a lot of forethought. He hasn't asked too much about it, since any comments acknowledging it'd been a date would probably fluster and embarrass them...

But he'll have to compare stories with them sometime, now.

"Oh, let's. We've already done this, no sense stopping the day so soon."

That, and whether they find something or not, the anticipation that they might will fill the day with other memories than this alarm. It won't help Walter reduce the memory, but it can help Russell.