You give priority to friendship and to being available to those who need you. Your friend ... doesn't. Sorry, but you are two people who hold very different feelings about this issue--odds are, you'll never clearly understand each other's viewpoint.

That's my take, anyway.

It's hard to find real friends, but to find friends who see things always as you do is rare indeed. If it's really urgent, we have to search for it, select for it early on.