Birthday Gift for a Dearest Friend

What should I buy my favorite cousin for her birthday? I consider her one of my Top Three: one of the three friends I would tell FIRST if I had any news; one of the three I would most consider including in my will if I had something special to bequeath. “But Swistle!,” you might say, “We don’t know her! How should we know what she’d like?” Fair! But there is a sense in which I don’t know her much more than you do. We haven’t seen each other in person since high school, which, let’s gently call that “over 30 years ago now.” We live far apart, so we haven’t seen each other’s houses, which I consider a HUGE element of knowing what to buy someone as a gift. We started exchanging birthday gifts the year we turned 30, as a one-time special event—and then somehow we did not stop. It has been…a couple of decades of winging it, birthday-gift-wise, since then. I have been managing but could use an outside consultant. And I will list a bunch of ideas I’ve used in the past, in case YOU have a…