[At first Diarmuid is startled by the hug, but after a moment he relaxes. It is nice to have his actions so easily accepted. Especially after how his brother had yelled at him.]

Rick... Thank you. I don't know what to say. You really are okay with what I did? Others...they haven't been so forgiving of me...

[And since Rick was there and witnessed Cu Chulainn's questions during the fight, it probably won't take him long to figure out who Diarmuid is talking about.]