Hi. I'm a newbie to having a bearded dragon. I was given him a few days ago. I don't know much about owning a beardie. We call him Kermit, not sure if he's a he or a she.... He loves crickets and superwoman, but it doesn't look like he is eating much of his veggies. I was told he is about 4 years old. I know he needs a new tank. What do I need to know to keep him happy?