Being patient will give you a good reputation among your friends, colleagues, family members, etc. Patience stops you from being a quitter and ensures you see a task to the end. People around you will know you have someone who never quits until the work is done and this will help boost your reputation around people

Irrational decisions that may affect our goals and later come to hunt us in life can be made in the heat of the moment but when you are patient, you will have enough time to think of different scenario and situations so the decisions you make will be the most beneficial to you. 

Both the mental and physical health are intertwined, what affects A will affect B. People who are patient tend to enjoy better physical health as well as mental health. Patience helps you avoid stress which gives you a better outlook