Learning why he's rubbing is the first step in stopping it, or at least lessening the urge. Aspidites feed mostly on reptiles in the wild. This makes them more active simply because they have to eat often to sustain themselves - not a lot of fat content in the snakes and lizards they typically consume. The need to breed can also cause a male to get a little stir crazy as he searches out a mate. Luckily, the same medicine will often alleviate either symptom. Feeding smaller meals more often might lessen your boy's wanderings. This plays in your favor too since larger/older rodents tend to have a higher fat content which many australian species seem to have difficulty handling. You need to be careful not to overfeed.