Socks are always a good stocking stuffer. Also candy, bathroom products, cards, etc.

The japanese philosophy of Kintsugi may help you look at things differently. Impurities are what make us all unique. Nothing in nature is perfect.

https://www.bbc.com/travel/article/20210107-kintsugi-japans-ancient-art-of-embracing-imperfection

Any infinite group applies to this too. The group of integers, real numbers, etc. are infinite. Just add 1 👍