I wouldn't call it friction, that makes it sound like we're fighting.

[He rubs at the back of his head, it's hard to put into words. It's a tangle and mess of subtle changes and differences. The kind of thing you wouldn't notice if you were growing and changing along someone, but when you're gone for two years or more it's so obvious.]

We can talk to each other about our experiences...but at the same time there's only so much you can convey without having been there to experience it yourself. I just...I worry about him. About what he's been through and how it's changed him.

[He chuckles.]

Team building, huh? We're not exactly in the military academy any more. He'd probably dismiss the idea.