The Culture that has been here all the time

My wife is significantly affected by Dementia +, but we still retain some aspects of synchronicity.

"Jared Heathman, board certified psychiatrist with Your Family Psychiatrist in Houston, Texas, told Medical News Today: “Married couples often think the same, which is called synchronized thinking. This type of thinking can be something that brings couples together. People often choose partners that are similar to them."

"When lovers are in sync? 
When you are synced with your partner you are fully present with that person – mind, body, spirit. ✓ You can walk side by side—somehow your footsteps match up… even though he's 5 inches taller. ✓ You can finish each other's sentences… you are paying attention."

"Can a spark come later in a relationship? 
But according to dating experts, a real healthy spark and foundation can take time to build, a.k.a. that love-at-first-sight feeling isn't all that sustainable."

"Does your heart synchronize with someone you love?
The Science on Heart Rhythms

One of the ways we know we're in love is that we begin to experience behavioral synchrony. We might start finishing each other's sentences or crave the same foods, activities, and desires. This kind of synchrony extends to our heartbeats, too."

These are just a sample of what a Google search produces. Jim