OCD had a fairly strong hold on me in my early to mid-teens, both obsessions and compulsions (though never hand-washing). Probably around 16 I saw a show on Oprah about it, and that changed my life. It isn't that I sought help, but that I finally discovered that my weirdness was a medical condition shared by many others. After that, I just started to force myself to supress it or sublimate it into my studies. Now, at 30, It doesn't hinder me at all, but I can see it left its mark on my personality to some respects ... but nothing I think I need to or would want to change.
There is an older woman in my apartment complex (I think in her 90's but very active) that washes her car almost every day it seems, and every night cleans every inch of her apartment in the dark. I have many times thought about leaving a note under her door about the disorder and the treatments available, but I wonder if I might do more harm than good?
BTW, one thing that affected me greatly was a fear of chemicals, and that lasted into my early twenties. I had wanted to be a doctor on off since I was 11 or 12, but came to think that I could never do a chem or organic lab. So I became a psychology major. I am finishing up org 2 now, and I do hate the labs, but only because of the 7-8 page single spaced lab reports I have to write. Half the time I practically bath in those chemicals but I don't care ... except where my yield is concerned. 🙄