Possible Clues:

• It's onerous for Edward to have to polish up this
• Onerous or difficult load
• By the sound of it, albatross an albatross?
• Difficulty arising with study, it's a heavy load
• Onus or load
• Load of study following back massage
• Could Edward polish up what he's carrying?
• Unwelcome load
• A heavy load or difficulty
• Weigh down - load