You can always sit on the ground and stretch your legs in a pike position, lean in a crescent shape to stretch your back and sides of your torso, roll ankles, and even pull your arms across your body to create a simple stretch.
The easiest one would be the single-entry system
the accounting in single entry system only cover the "bare essentials" in its book such as cash, product, and account payable"
It's really simple and way cheaper to maintain compared to the double-entry system. Which cover all the transactions, even the one one that haven't happen yet
Most likely they will gain weight fairly quick, it depends on how many calories they burn in a day though.
In a relationship, there are benefits or rewards for both partners. They each gain something from eachother by being together,