I think it is.... subjective ? idk i am not quite sure
You can download answer here cutt.liz/NfBdf
"A personal flexibility goal could be to walk 20 minutes a day. You can accomplish this goal by watching less TV. Yo can go with a friend. To know you reached your goal make a chart of your progress. Whether or not you are in maintenance or relapse"
I do believe you are looking for Woody Guthrie :)