So you've finally got this eating thing down, more or less. You're a veteran of the "diet wars." You've learned what foods make you feel good and which ones derail your weight-loss efforts. You've even got the sweet-tooth thing down, at least most of the time. The scale beginning to move, your clothes are fitting better, and exercise is finally starting to feel like a habitual part of your life. All told, you're feeling pretty darn good about things.

And then ... there's the Significant Other plunked down in front of the TV with beer, potato chips and pretzels.

Or ...

You go out to dinner, and he can't resist the third piece of Italian bread. (And that's just for openers.)

Or ...

You're at a wedding and that dessert buffet just keeps singing its siren song. Except you stay in your seat while he sings three-part harmony with it.

What do you do?

Think about it for a second, and then I'll tell you what I think you should do. But first, visualize the situation -- there's no one reading this column who hasn't experienced some version of it. Maybe it's not your significant other, maybe it's your kid, or your best friend at work. You can substitute whoever you want, but you know that sinking feeling I'm talking about when the person you care about is sitting across from you performing culinary suicide. Okay, did you formulate your answer? Good. Here's mine:

You do ...

Nothing.