The point of a job is to allow you to put your own time beyond your own use and use it to serve others. This simple 'proof of burn' of your finite life is what

The point of a job is to allow you to put your own time beyond your own use and use it to serve others. This simple 'proof of burn' of your finite life is what gives the money exchange value. If you want others to give up their time to produce a surplus for you then you need to do the same. Otherwise they'll just take the productivity themselves and have Friday off.