Person with this syndrome will have unusual fascinating traits -
a love of company and conversation combined, often awkwardly, with a poor understanding of social dynamics and a lack of social inhibition...Williams people talk a lot, and they talk with pretty much anyone. They appear to truly lack social fear.
If you’re talking with someone with Williams syndrome and look at your watch and say: “Oh, my, look at the time! Well it’s been awfully nice talking with you . . . ,” your conversational partner may well smile brightly, agree that “this is nice” and ask if you’ve ever gone to Disney World.