Possible Clues:

• Unusually evil lot, albeit at first apt to change
• Unstable and liable to change
• Subject to sudden change, temperamental
• A love lit badly could be changeable
• Changing from one mood to another, lively
• Hard to predict
• Lav and toilet endlessly turned explosive
• Prone to explode
• Explosive article penned by unbalanced evil lot
• Like explosive compounds