Need Friends & Motivators!

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Need inspiration to keep me on track. My friend asked me to join a 5k with her in december and i started last week training for it. I always have something that puts me off track, weather it be one day of binge and i beat myself over it or just don't think i can do it. I need to lose about 70lbs to get back to the weight i was around high school. After having a daughter i felt as this is what i signed up for, its what ive got to deal with. But i don't. I want the drive, the will power to know i can do it! Im looking for another people who can motivate me as well as me motivate them. I love this site and without it i wouldn't be balanced out. Thank you! :D