We all do it.  Come up with grand ideas in our heads about what we’ll do, how often, how great it will feel and how awesome we’ll look.  Plus, the harder, sweatier, more intense it is, the better!    I’m talking about exercise.  It’s taken on such monumental weight (no pun intended) in our lives because it’s become something extra that you have to fit in, rather than something that is just naturally part of your existence.   I used to be lucky enough to live in a city where walking was the main form of transportation in my life.  On any given day, I would walk for about 2 hours, just getting around.  But now, I live in LA.  Which I adore, but…