'Neural handshake at 100%,' Mycroft says crisply. 'How do you feel?' It's astounding. There is so much to see in Sherlock's mind-- the tiny details, the analyses of different kaiju forms, their advantages and their structural weaknesses. It feels amazing. John stretches a hand out to brush against the blue bursts of memories between them, and Sherlock pushes through towards his own. They exist as a perfect balance within the drift, calm yet stormy, pushing and pulling. John feels invincible. Wherein John is a war-weary soldier thrown back into the fray, and Sherlock is one of the top kaiju analysts.

What it says on the tin. (Including Follow-ups to: Maybe one of these days you can let the light in, and One Of Those Things, and Mrs and Mr Pond..)