everyone treating everyone as family so that offering a hug to a stranger who looks sad would be normal or inviting a stranger to supper would be common, so common that cooking food WITHOUT asking random strangers or neighbors to join you would seem anti-social.

wearing costumes when it's not a holiday

kissing friends 😏

Wearing velvet

Having a mental illness

Nothing, there’s already enough going on. Don’t want to add to the mess.

Menage a trois

Not smiling.