That's a ridiculous statement to make.
Cross out dishlicker and substitute chaffburner.
As far as forecasting the result of a race,how do you use this weight change?
Surely its value as a factor is miniscule.
A Big Mac for lunch and there's your up point two.
I weigh up to a kilo more or less every day.Weight variance is a normal thing.It's the abnormal occurences we need to predict.