got this tort. offline from some kids that had been feeding him iceburg lettuce and just letting him roam in there house. He now has a nice enclosure and its about 85 in there and plenty of humidity. He is very active walking the enclosure and trying to climb out, we have been putting in the food that is healthy for him but he has not eaten anything since we got him almost a week ago. he just walks over top of his food like its not even there . any advice