[Oh- there it is. Junpei's not psychic enough to hear Snake's whole thought process, but he can pretty much guess at what he's thinking when his fiddling with Junpei's hair gets slower. No...]

You always give me a hard time. [...wait, no, he doesn't mean that in an asshole way. Wait.] I mean, somebody needs to give me a good kick in the ass sometimes.

[Anyway, give him a minute to really unpack Snake saying he's brave. He needs a moment. It's different to hear "brave" instead of "reckless self-endangerment," so... huh. Well. What can he say besides "hey thanks," since he already said "hey thanks" pretty much.]

You were, uh, kinda helping when you did that thing to my hair.

[Just acknowledge it and move on. Just continue as normal.]