We could be dealing with a lot of unknowns. His decay quirk is one thing, then whatever else those experiments did, and whatever this place has decided to settle on his shoulders.

[He exhales a groan, leaning back a little almost like he's about to collapse back onto the bed in exasperation. It's a lot, it's complicated.

And then there's the question about twice.]

I expect he's probably going to be happy to see Shigaraki. He was pretty lonely, you know?