it has always been all or nothing with me ,, after a year fight with cancer I lose strength and had to go back to work my last chemo was 9-2012 I went back to work 11-2012 I had no strength ya Know how small a Dr room is were ya meet the Dr very small I couldn't walk from one side of the room to the other ,, I shared my fear of I dint know if I had the strength do be a bus driver again ,, he said well ya know what ya have to do don't you and I said yes walk ,, started of 10 min 3 times a week then after one month added 5 mins more till I worked my way up to 3 days at the gym Elliptical machine up to 45 mins and then 2 days Mall walking till 9-2013 when My left knee went out ,,, I tell ya all of this to say try something ridiculous small and work your way up so easy to do <3 Praying for ya <3