HELP!

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Hi everyone I am on a 1200 cal plan. I have been doing mfp about a month and lost 12 lbs. I havent been to strict with my eating just cutting down on the portions and cutting out sodas. I have been trying to excercise more.. I have about 18 more lbs to go until my goal weight so I am asking for some help on what to change to see the fastest results. I havent been so strict because I dont plan on going without my fav food forever so want to incoroporate them in my diet. Any help appreciated!
:)