Is being friends with everyone in the neighborhood a sign of sadness?

It might be, if you're using your making friends with everyone in a way that satisfies some kind of need in you, like people-pleasing or codependency.

Or, it could be an indication you're in a good place with yourself and [i]naturally[/i] want to connect with people. But you wouldn't go out of your [i]way[/i] to make friends with everyone.

Nopes

Sign of a lively personality.