That's her thing, if the person can help her on her terms, then they're golden. If not, she makes them mad and runs them off.
That must be the reason he has no casual acquaintances.
The black and white lists of who is in, and who is out, is based on who is meeting their needs at that moment. It has nothing to do with the genuine qualities of the other person.
Everything in life is bench marked against their own needs.
This is why you become "evil" when reinforcing boundaries while the extinction burst is happening. Until the realization sets in that particular need is not going to be met and they move on to something else., you will stay there. Once the need has gone, then its in the past and you eligible for a transfer to the "in" list again. particularly if you are fulfilling the next need.
It is a measure of your perceived usefulness.