The concept of having a lot of time made us realize the value of farming.
Since I was a child, planting is normal for us since I grew up in a farm like environment. We were given tasks at home like watering the entire backyard farm and doing cultivation. Even if we have no money we have food on the table. We just get it in our backyard and our stomach is full. I prefer a vegetarian diet.
Living in the city find it hard for me to buy those leafy vegetables because i know how to grow them. I did pot planting and here whenever I cook soup I just pick leaves from the garden. 
This is sustainable living.