The main one is hoarding; DVDs and Blu-Rays, local MP3s, consumer electronics, (e)books, Steam games, commissions, etc.
But also part of that is recognizing when a small contribution from the hoard will make a much bigger difference to someone else; some gems for a kobold in need, and we're gearing up for giving away a lot of Steam keys.
Also the love of hot baths like lava.
Physically, for those times we feel phantom wings, there's arching the back to flap them. We also tried to replicate a digitigrade stance a lot more frequently with tiptoes, although that's fallen off as issues with leg have worsened.
and also, Like A Dragon, we have an affinity for 90s SEGA. :V