Do you bathe him? Mist him? Do you have a UVB bulb? How close to it can he get? What are you feeding him? Crickets? Salad (What type)? Are the crickets dusted with calcium and vitamins? Are they gutloaded? He should be able to lay flat under the basking light not just vertical. What type of thermometer are you using to measure your temp? Is he pooping? What color and consistency is it? IS his urates bright white and hard? What are you using for a light in his basking spot? What type of uvb bulb are you using if any? This is all info you need to provide.