You track calories in by making all your food and weighing everything you eat. In practise you don't need to track the out because it doesn't change much per d

You track calories in by making all your food and weighing everything you eat. In practise you don't need to track the out because it doesn't change much per day. It's not easy to burn 200 calories but it's easy to consume them. That's why it's common to hear that weight loss happens in the kitchen.