Of course there is no free lunch in the world! According to philosophical analysis, no matter what a person does, it will inevitably lead to other behaviors! Everything in the world has a causal relationship! The famous chaos theory abroad, also called chaos theory, means that everything in the world has a little connection. As long as one thing is triggered, a series of things will inevitably appear because of it! So there is no free lunch. After you finish lunch, something else will happen!