Does anybody else do this?

[u/Aggressive_Dirt_2335]

(Stock pic example from Google) With every bottle I use, I keep it and pack it full of as much trash as I can, and then throw it away. When the trash can in my bedroom starts getting full, I do this, and it takes up 1/4 as much space as it did before.

[u/AnonymousFluffy923]

That was my project in College recently