what is the secrect of worry-free living ?

well, you should stay balance in your daily lives. always keeps up your possitive energy so that you able to do anything in your daily activities. its not easy but its not impossible to do. when you able to manage your possitive energy in your selves then you would able to reach anything that you want in this world ;)

u have to be free i mean tension free and it will surely help u to live longer and longer .

Yoga and acupressure and acupuncture! You will never feel better in your life! Also, meditation is wonderful!