It’s the same worry every year. The Christmas bulge. So every year I get asked the same thing, “How do I stop myself from putting on weight over Christmas?” and I always say the same thing.
It really is only 3 days that you have the excuse of eating a lot and often. The rest really IS in your control. There are plenty of excuses flying around, but really, they don’t count. If you want it badly enough, you’ll get it!
I wrote guidelines for this very problem that you should read: