Sit comfortably and take three deep breaths. Remember all the incident where you learn important life lessons. Take a note of the people who were instrumental in helping you learn that that lesson allow your mind to wander as back in time as it can. And then when you have the list of people who have helped you learn and grow, which could very well in your lifetime, it can be your parents and siblings as well. Set your intention to express your heartfelt gratitude to them