Yeah. Figured you would say that.

[He looks down at his hand.]

... That is why I have to get back to the Shore. Do whatever I can to. Thought... you would understand.

[It's the first time he's really admitted to being with someone. Sure, they weren't exactly subtle about it, but he's never outright admitted it to anyone. It's also a warning -- he will do whatever he has to do to get back. Even if his friend has a reason to stay.]