“ You are the master of your attitude. You cannot control what happens to you, but you can control the way you think about all the events. You always have a choice. You can choose to face them with a positive mental attitude ”
Source: The Light in the Heart
You cannot control what happens to you, but you can control your attitude toward what happens to you, and in that, you will be mastering change rather than allowing it to master you.
You don't have to like someone, but you have to treat them as you wish to be treated.
Stop giving other people the power to control your happiness, your mind, and your life. If you don't take control of yourself and your own life, someone else is bound to try.
Every choice comes with a consequence. Once you make a choice, you must accept responsibility. You cannot escape the consequences of your choices, whether you like them or not.