An affair with a particle physicist.
Now that would be telling.
Those moments / times when someone and you have the "connections" "awareness" simultaneously, although separated by great distance. Like string theory, it is "felt" but not necessarily visible.
Alan and Sharon experienced quantum entanglement when both phoned each other at the exact same time, hearing no ringing, but voices connected and both began speaking with each other about the Kleinbottles they had discussed several weeks ago.