I have a hatchling salcata tortoise and i started trying to feed him spring mix but he didnt like it. I tried dandelion leaves, mustard greens, catalope, dried vegetable mix, to tortoise pellets, collard greens,kale, and even roses I cant get him to eat anything else except for kale. Im worried hes not getting the correct nutrition that he should get. I do use reptile calcium but he eats nothing but kale....should i be worried that he wont eat anything else? Any othet suggestions on what to try?