In order to explain the benefit of patience, let's start with the opposite: Impatience.
It's a feeling we all know well, and it's never a positive emotion. It's also a sign that you're not in the present moment, not staying process-oriented, and your mind is not fully engaged in what you're actually doing.
Consider your morning shower or drive to work. Are you thinking about showering or where you're going? Or are you worrying about bills you need to pay, emails you need to write, or coming up with a witty comeback to something someone said days ago?