My latest one is vitamins and minerals. It's purely for the practical goal of getting the right amounts of them all. I never expected it to be so complicated, I thought I could probably sort it all out in a couple of days. Fat chance. I don't even know whether to call it a special interest, because I wouldn't do it if I didn't want the results, and I don't entirely like spending all these weeks analysing and studying it all. I think I've just about finished the project, apart from making the actual changes to what I consume, which will probably be quite complicated and time-consuming at first because there'll be unexpected surprises and problems to solve, but I can hardly wait for it to settle down into a simple routine. I daren't fudge it because I don't want to be deficient in anything and I certainly don't want to overdose, I just want to be reasonably sure I'm getting the recommended daily amounts of everything I should be getting.
As I say, I'm not sure if it qualifies as a proper special interest because I want to get to the point where I don't have to think about it any more. I'm often like that with my "special interests." There's often an element of liking the process for its own sake but mostly I just want the results and I get fed up with the work of getting there. My brain wiring seems to make me very detailed, perfectionist, analytical and scientific about the way I do things, but I don't really want it to. It's just that it always seems logically the best way to work. Anything more glib and neurotypical just gets me a poor result or it does more harm than good.
Does anybody else feel trapped like that by any of their special interests, or do you all completely love doing them?
I suppose with me it's a kind of mixture, even within a single interest. For example, most of the nutrition work was purely for the end results, but I did go off at a tangent for a day or two to investigate the "incomplete protein myth." I couldn't find an intellectually-satisfying debunk of it on the Web (though it's been refuted without good attention to detail many times), so I decided to figure it out for myself. I really didn't need to. I already know I'm not amino acid deficient, so it doesn't affect my nutritional interventions at all, but I just felt like going down that rabbit hole for the sheer fun of it.