Interests that I had as a child and still have now:
Sailing boats and -ships, including the history and evolvements, and the craftsmanship (sail making, boat building, rope making etc). Also cloth craft in a more general sense (sewing, spinning fibres to thread, weaving...) and general wood working.
Graphic novels.
Horror movies and -books.
Drawing and painting.
Interests that I had as a child but have more or less dropped:
American Indians.
Shoguns and Ninjas and medieval Japan.
Knights and crusaders and medieval Europe.
Viking history, crafts, and religion.
Sami culture and crafts.
Things that I don't obsess about, but that still qualifies as interests:
IT (from low level device driver programming to network design, to security, to web development).
The board game Go(/Weiqi/Baduk).
Other old board games like Hnefatafl and Xiangqi.
Survivalism and Wilderness survival.
Cooking.
Hiking the mountains and sailing.
There's more, but those are ones that comes to mind...
/Mats
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Interests: Comic books, Manga; most things to do with Handicraft, wood, textile, metal etc, modern materials; horror, true crime; languages, art, and history to an extent
Uninterests: All things about motors; celebrities; fashion; sports; career; stock market
Feel free to PM me!