Williams Syndrome

There's some evidence that dogs might have williams syndrome, which may be the reason they're so friendly and love to be loved.

https://advances.sciencemag.org/content/3/7/e1700398

This interview with a young woman with Williams Syndrome really made me smile when I stumbled on it a few months ago: https://www.youtube.com/watch?v=pxZ7aZMFHPE