A. These are learned behaviors and so they take patience to change and improve. You can begin to desensitize by providing treats and affection in the presence of the charcoal and then bit by bit increase the amount of exposure. For example, just next to the charcoal, then moving them, then using them. The goal is desensitization so the experience should be as positive as possible. If he becomes nervous you have progressed too quickly.
Your account has been reactivated.