If people come and thank you, ‘it’s so good of you that you introduced me to this course. My whole life has changed.’ How would you feel? Would you feel jealous?! How can you feel jealous?
You have not enrolled people into the course that is why you feel jealous. Especially your close friends, if they are happy and joyful and jumping up and down, dancing and if you feel jealous there should be something wrong in your psychology.
You should be happy with the happiness of others and you should be touched by the unhappiness of others.
Art of Living brings so much happiness to people. So you must wake up and start actively introducing people to the course and you will find a difference.