1. Too many sugary drinks.

Most people overlook liquid calories entirely, says Felicia Stoler, registered dietician and author of Living Skinny in Fat Genes. So don’t expect to notice weight loss when a seemingly single-sized juice can or bottle actually contains two or three servings – and two to three times more calories to your weight. Your best bet: Replace juice with water, and eat your calories instead of drinking them, she says.

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2. You eat with your hands.

A new study suggests that people who use tongs to serve themselves food actually eat about 30 percent less of it, achieving weight loss faster.

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3.You eat flavoured yogurt.

Most fruit-flavored yogurts—and plenty of other healthy-sounding foods—are sweetened with fructose. But unlike other sweeteners, this one doesn’t tell your brain you’re full, according to a new study. The result: You end up eating way more calories than your body actually needs. Hello weight gain…

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4. Too Happy during Happy Hour.

People don’t realize just how many calories they drink, says Stoler. What’s more, the alcohol in your cocktail can reduce your inhibitions, so you hit the happy hour menu (hello, nachos!) even harder. And switch to water after drinking one or two of them.

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5. Overdoing it at Breakfast.

While the standard serving size for cereal is about two-thirds of a cup, breakfast bowls can hold much, much more. So when you fill yours to the brim with cereal, and top it off with milk, you could be eating twice as many calories as you think to your weight—or more.

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6. Too many Cheat Days.

When you indulge in sweet or fatty foods like ice cream regularly, you end up craving larger portions to feel satisfied, says Stoler. Need a sweet treat every day? A new study published in the journal Food Quality and Preference found that a few bites really will satisfy you just as much as a large serving.[/nextpage]