11. You can use her as your default last-minute babysitter.
She really loves your kids and is the best auntie ever. She’ll feed them, give them a bath and read endless bedtime stories. This works best if she’s single and it’s not a Friday night though.
12. You can walk into her house and start rearranging the decor without asking.
Of course she wants your opinion on where to put the couch. And you know she really wanted those pillows switched.