Measuring food to proportion size?

I'm doing this weight loss challenge my job is having and I would like to lose 30lbs-40lbs in 4 months. I gained a lot of weight in this past year; mostly due to stress, and depression. I figured it would be a good idea to measure my food to the exact proportion size it says on the package..how long will it take my body to get used to it?

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Recommended Answer:

It's Portion. It should only take a week tops... find "free" foods to fill up on such as carrots, celery, apples, etc... That don't add a huge amount of calories and zero fat.

Other Answers:

• walking with diet is best, limit your calorie in take, but walking a mile after dinner or in the morning the first month and work upto 2 miles by your last month. the weight will not stay off , unless you continue exercise and watching what you eat afterwards. be sure to allow yourself one cheat day a week! but only 1