Remember when we wished things were small enough to be carried in an Altoids can? Now I wish there were smaller Altoid cans.

I think the number one most important tip is to see weight loss (and healthy weight maintenance) as a long-term lifestyle thing. Forget about radical measures to drop a bit of weight fast. You'll just gain it back when the measures end, plus you'll probably hate the process so you'll be disinclined to do it again…