Hi guys. I'm in a pickle right now. I have a 8 month beardie named waffles and had him for about 3 months. Recently, he has been using his back legs less and less and twitching. Also, the second half of his tail is light and the top half is dark. The light side is squishy while the dark side is hard. Is there any reason why his tail could be lighter then the other half? I feed him super worms, fly larvae and Dubai's with calcium every morning followed by greens at night. He's usually in his tank for half of the day and in the sun for the other half in sun and heat.