The holiday season is here, so you know what’s in store. Soon, you’ll be attending holiday parties where you’re pretty much guaranteed to eat more than you should. But it’s the holidays so it’s okay, isn’t it? Even though it’s perfectly normal to indulge during this time, the unpleasant reality is that many people go overboard and gain as much as 10 to 15 pounds between November and January.  Come the beginning of January, it’s a mad dash to undo all the damage you did the months before. Unfortunately, losing weight is a lot harder than putting it on, so unless you want to spend countless hours at the gym,…