Headcanon that sometimes Jim can still feel the aching loneliness of Spock prime across that tiny bond. Whenever possible, the Enterprise takes shoreleave on Vulcan and Jim spends as much time as possible with Spock Prime, holding his hand, sleeping in his bed. Spock doesn’t mind. He knows that in any other universe, Jim would do it for him in a heartbeat.
I’ll trade you a headcanon for a headcanon