Possible Clues:

• Hooked
• Inhabited?
• Dependent on something habit-forming
• In the habit to put another 1100 on Edward
• Perhaps it's inhabited if you put on a further 1100, Edward
• Dependent on something habit-forming
• Cadet did become compelled to use harmful substance (8)
• Put on another 1100, Edward, and get hooked on it
• Does this put more on what I see is hooked onto the boy?
• Is Edward in the habit to put on 1100 more?