Motivation to lose 20 lbs?

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Hi everyone! My name is Nicole and I'm 20 and my goal is to lose 20 pounds. I've always been a little over weight at 5'8 and 165 pounds but I figure I want to be at a good healthy weight especially while I'm young . :) I would love to hear others personal stories of weightloss and achieving a healthy lifestyle to use as my motivation. Feel free to add any tips that maybe handy as well!
Thank you! :)