They can tell you the truth about yourself. And somehow, it's even easier taking it from a sister. And that's that. Dawn wasn't being rude. Most of my phone conversations with my sisters end abruptly, usually because of potty-training disasters or other toddler demands.
Relaxed manners are part of the privilege of sisterhood.
The casual approach has been working for us for years. It's fun to watch the personality traits we sisters mirror. And all of us a generous. When I went off to college, Dawn and Adele raided their closets so I'd leave home with the best possible wardrobe. That was fifteen years ago, but things aren't so different now.