[ The skeptical look the two men receive from the chemist right now should speak for itself, but just in case, Yusuf takes a pointed sip from his tea. ]

It would seem your answer is right there. Who did you trade these things to? There must have been a process, [ Yusuf waves his unoccupied hand. ] And whomever is in charge of the process is the link to the main subconscious. Grief often passes through a system of bargaining; the trade would make sense, assuming the subconscious was aware of a death within the system.

[ Though... how could one subconscious block out the memories of another consciousness? Doubt only colors his last few words, and he sips from his teacup to forget it was there at all. ]