new to MFP!

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Hi everyone, I'm. Tim from Connecticut USA ,was doing another app and got bored with it, I'm down 59 lbs, from June 2014 ,need to drop 90 more pounds.I'm a vegetarian and I can not work out do to a bad back. now that the weather getting better I hope to walk 3 days a week , I need all the help and tips I can get.