Hunting around for aunt lessons, I happened upon this little story:
An Expert’s Lessons on Being an Aunt
Though I can’t promise to remain single and devote my entire life to the “profession of auntship” I think I can take away one solid piece of advice. Letter writing is important. Why, I wrote one just the other day. In fact, every time I feel I’ve been wronged, out goes a letter. While auntship letter writing isn’t designed to elicit an apology and possible coupon or gift card, I think the skills will transfer.