A dragon should be 6 inches from nose to tail tip by the time they're 2 months old generally speaking. Here's a generalized questionnaire so we can look over your husbandry and point out anything that could be improved.
How old is your dragon?
How long is he?
How long have you had him?
Where did you get him from?
What size tank is he in?
What substrate are you using?
What do you use to heat the tank?
What are the temperatures (basking spot and cool side) in the tank?
What do you use to measure the temperatures?
What
UVB light do you use?
Is it a coil/compact, a flourescent tube, or a mercury vapor bulb?
How old is it?
How close can your dragon get to it?
What do you feed your dragon?
How often?
What supplements do you use?
How often?
Do you mist or
bath your dragon?
How often?
Is your dragon housed alone?