It is very possible you have spoiled yours but I could be wrong. I used to have a picky BTS but he eventually grew out of it. For me it used to be the only things I could get him to eat were, dog food, cat food, and blue berries.
I got him to try other things by doing the same thing...
Veiled Chameleons don't have to be bred to avoid being egg bound. They lay infertile eggs anyways if they are not bred. If they do not lay the eggs, fertile or infertile, then they can become egg bound.
That's a very pretty girl. Have you ever considered live plants in her enclosure? They're not really that much extra work and they look great. My veiled likes to munch on the leaves every now and then.