system
Given the following post, respond as if you're commenting on Reddit:
human
[Doctor Who] So what, exactly, fuzzes the memories of a Doctor meeting his future selves?
gpt
It's a physiolgical reaction timelords have developed in order to have normal interactions with their crosstime selves.   Without this physical reaction the feedback loop of memories between the two selves would in paradox or timelock, but timeliness are much more comfortable in less static and looser time conditions, wobbly wobbly time if you prefer.