Not long! A week or two, tops. Then I've gotta get used to it, but I'm sure I'll be fine. I've got a lot of bloody-minded stubbornness on my side.

[SPEAKING OF.]

I'll be fine. Don't worry. I gotta get used to doing it on my own.

[So he'll continue sloooooowly going down the stone steps to his lab. Once they get down there, it's pretty active- though it's clear it's not been used for a while. Varian hobbles over to one of the workbenches, where some beakers were waiting.]

And here's where the not-literal magic happens.