Well as original anniversary gifts go I think you have that one down!
You could be certain no-one else would duplicate that gift couldn't you?

I always used to feed from the run off from Non-Kin, it was the easiest thing to get as there was always loads of it just floating around, wherever Non-Kin were, there it was.
Then I started to think more about it, and I realised that I didn't really want to do that any more.
I started collecting energy from the Sun and the Moon in crystals so I would always have some to hand, in the larder so to speak, and I swear I have felt better since I stopped feeding on Non-Kin stuff.
Enough that I know I would never go back to that way of feeding now.