Marine Wife Trying to Get Fit!!

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I have always struggled with my weight. Until now the only time I could lose weight was when I was pregnant! I have lost over 18 pounds since May 30th and I have about 30 more to lose. I am currently away from my husband raising two small boys (5 and 1). My hubby is currently stationed in NY and the kids and I moved back to save up some money before he gets outs since he will be attending college once his contract is over. It is very hard and stressful but we are making it work. Is there any other Marine Wives on here trying to lose weight and raise kids alone??