[As Ryuji grabs his shoulder, Yusuke holds him around his middle in order to steady him, and shakes his head.] Don't apologise. You'd do the same for me, were I injured.

[And no doubt he has, in all the times they've infiltrated Palaces, whenever Yusuke was injured or unconscious. To him, this is no different. There's nothing wrong with leaning on each other, figuratively or literally.]

Let's find somewhere for you to sit. I'm sure you could use the rest. [And a listening ear, if he needs it.]