Organising and running the Kundalin Yoga Teacher Training was the hardest and most rewarding thing I have ever done. Ever! And this is testimony to the fact that the things most worth having in life
a) aren't things and
b) are worth striving for

"In life one thing you cannot get rid of and that is called 'challenge'. Whether you challenge the challenge or you give in to the challenge, that decides your spirituality." - Yogi Bhajan