Dieting Train Wreck

Every diet article/blog/website I’ve ever visted advises that you begin by making “small changes.” But what exactly does that mean? . Does it mean eating one Big Mac instead of two?  Chossing a parking space that’s three spaces further from the door? Haivng a glass of wine with dinner every other night instead of every night? And what is you do make small changes? How many do you need to make to have it be “worth it?” And what does being worth it mean?