Choose one day a week : __________ (and do not change !!)
How heavy is your trash bag ?? Weigh it = __.___ kg
(add trash bag # 1 + bag # 2 + bag # 3 in one week)
Write it down in your agenda.
Do it for 3/4 weeks.
If you live in two different homes, choose one.
Good luck !
Please be consistent and honest !!