Operational definition for too much homework

The dog ate it again, :) works every time

Explanation:

According to a study by Stanford University, 56 per cent of students considered homework a primary source of stress. Too much homework can result in lack of sleep, headaches, exhaustion and weight loss. Excessive homework can also result in poor eating habits, with families choosing fast food as a faster alternative.

multiply 2kg by latent heat of vap