when is it "good enough"? (the obsession of weight loss)

I've been listening to other people here and started thinking about my own
insecurities and body image problems. Because I have such a skewed and
negative view of myself, I wonder how I will know when I have reached "good
enough". I know it's such a vague thing, and depends on personal and
fitness goals. I am down to 22% bodyfat, and weigh 127-130 lbs. I am more
fit than I ever have been before. I am exercising 4 times a week, and eat
healthy 90% of the time. And when I put my clothes on or look in the
mirror, I feel fat. It's a mental thing I guess. When I first started, I
wanted to reach 22% bodyfat. Now I wonder, do I go for 18-20%? How do I
know if it's just vanity or a realistic and healthy goal? I think that I
want to get down to 122-125, which should put me at around 20% bodyfat. But
it's killing me to be so obsessed with counting calories, exercising,
watching the scale, etc. I don't want to be on a "diet" anymore. I just
want to exercise a few days a week, and eat normal, and splurge once in
awhile, and just have my clothes fit and not have to freak out if I ate a
few too many cookies.