All animals like salt - including the two-legged ones that eat marmite and lutefisk and pour malt vinegar on their chips.
Hardly strange. I'm half Finnish on my mum's side so I've had it. Not really a food I could eat more than, say, twice in my life, but that's alright. To each their own.
You like working with your hands. Problem solving and sussing out puzzles, then? You should maybe look into a trade school.