[ There is the sense of stumbling, of someone leaning on something familiar and expected that is suddenly no longer there and grasping hold of what is in order to steady themselves. Then he lets go, distancing himself once more. He doesn't say anything, but the impression of an apology is clear across the mental link - sorry, man, I'm backing off now - as well as an added note that Sam is still there, if there's anything Damon needs. ]
at the beginning of the mission, when Steve falls into a coma