Hi! 43 and trying to get fit

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I'm the mother of three beautiful children and so very unhappy with my current weight of 183 pounds. I am committing to myself to get moving and start getting in shape. Yesterday I tagged teamed with a friend to do a weigh in with our nurse at work....For two nights I've ridden the stationary bike and I'm trying to watch what I'm eating throughout the day. I'm going to work hard to keep to it and see where I'm at in the next few weeks....