Why is it important to be patient?

there are many reasons. lets say your a soldier at war. The lieutenant tells you to take cover and wait for the enemy and then you shoot em.but, you have no patience so you obviously get assaulted and killed. or if your friend is coming over and you cant wait. you barge out of the house looking for you and you search for him. soon, about 3 mins later your friend comes, but sees no one home and leaves while your still looking