Obi-Wan just sort of... awkwardly pats Anakin on the back until he's finally let go. It's not that he didn't care for his friend, of course, but... well. Things had happened, and yes, there was the whole Jedi way. He was still trying to come to terms here.

"It's hard not to remember that."

It had certainly been an odd experience to say the least. But yes, he is listening.