Neal shakes his head silently, not sure what he can or should say.

"Callisto's memories. Some others. Negan's. Doc's." Malcolm knows already that Neal saw his. He mixed Negan's name in with the rest, trying to give it equal weight with the others, but the fact of it is that Negan and Callisto's memories are the ones that will probably wake him up screaming for more than a few nights to come.