I get it now.

I guess, up to this point in my life, I had only eaten low-fat or fat-free yogurt. Consequently, I always wondered why yogurt was supposed to be such a treat, one that some people felt was 'indulgent.'
Well, now I work at a fancy grocery store--one that has lots of samples--and I've discovered that the secret is the fat! With fat, yogurt is delicious! I can't get enough of it. Gimmee that rich, creamy, smooth and indulgent yogurt, please. Now, I understand.