You’ve heard of a self-fulfilling prophecy? If you keep focusing on things you can’t do, like resisting junk food or getting out the door for a daily walk, chances are you won’t do them. Instead (whether you believe it or not) repeat positive thoughts to yourself. “I can lose weight.” “I will get out for my walk today.” “I know I can resist the pastry cart after dinner.” Repeat these phrases and before too long, they will become true for you.
Your body needs a certain amount of essential vitamins and minerals to function properly. What happens when you don’t get enough of them? What happens when you eat too little food, or when the food you eat isn’t sufficiently nutritious? Perhaps our bodies catch on and reply by increasing hunger levels. After all – if we eat more, we increase the chances of consuming enough of whatever nutrient we are lacking.
In other words, sticking with an exercise regimen can trigger sticking with a healthier diet, but it's best if you don't think of it as a way of burning off calories for the sake of weight loss. So, cultivate an exercise practice you actually enjoy, stick with it, and know that it’s making you healthier, and let it inspire you to make the choices you consider healthy.
Good point: Even if a weight or body fat percentage is achievable, at a certain point, the investment required to make it happen or sustain it just isn’t worth it, Moore says. And as Albers explains, the ultimate goals are to have energy, be healthy, be able to lead the life you want, and feel that your healthy habits add to, rather than take away from, the quality of your life.
Another option is to drop carbohydrates in the evening. You need carbs for energy to make it through the day, but you don't need them to sit on the couch and watch movies at night. If this approach affects your sleep, try eating low-carb early in the day and having your carbs in the evening instead. You'll still end up eating fewer carbs than if you were having them at every meal.
On the physiological side of things, it’s important to realize that the vast majority of your daily caloric burn comes down to just basic functions like breathing and keeping your heart beating, Moore says. Called your basal metabolic rate (BMR), your muscle does play a role in setting it, but extra muscle isn’t going to turn you into a supercharged calorie-torching machine. And even though exercise does burn calories, that total is often significantly less than what we expect and would need to create a large daily caloric deficit, he says.
In what is perhaps the biggest buzzkill of all time, sex doesn’t quite count as cardio or burn a significant amount of calories: Women burn about 3.6 per minute. "It’s still a good idea," Dr. Seltzer says, citing the activity’s other benefits, like increasing the output of the neurotransmitters serotonin and dopamine, which naturally reduce food cravings.