One way to know if it’s a deep relationship

A few weeks ago my sister said this:

There are only four people I can call and say, “Hey, what are you doing?” Everybody else I need a reason to call.

Char brought this up in the context of thinking she didn’t have enough close relationships. She was saying that even some family and friends she’s known for years required a pretext to instigate a call.

Aside from Char’s existential dilemma . . . isn’t that a succinct definition of a deep and natural relationship? If you can call someone and without any awkwardness say, “Hey, what’s up, what’s going on?”