The feeling is mutual, my boy.

[He is very confused and very concerned about this whole situation. But he'll focus on the positives: his son is here. For once, Luke is happy to see him - and for once, Clark can be there for him.

There's all sorts of questions and concerns he could posit at this point in time regarding this weird place.

But he opts to rub at his beard instead.]

You know, all this talk of barriers reminds me of a puzzle that Professor Schrader showed me once.