Why can't I get my mojo!

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Hi - I'm a 5' 5'', 37 year old mum of 2 and part time teacher who really wants to be thin (will be!) Well a year ago I joined weight watchers and i lost 2 stone (28lbs) up until last Spring. I then joined mfp and lost another 7 pounds so when I went on holiday in August I'd lost 34lbs. Since the summer i have fallen off the wagon of weight loss gaining 3 pounds on holiday and then another 5 pounds. I want to restart and lose another 25lbs to get to a healthy BMI and then finally get there! But I made this decision about 5 weeks ago and have only lost 2 lbs since then. So am looking for some likeminded positive people to add as friends to help spur each other on to lose the weight!
Start weight last Nov 2012 202lbs
Weight now 174lbs
Target weight 149lbs
If you have a similar amount to lose and fancy giving each other some support and maybe challendge each other to lose the lbs then hopefully add me and in a few months time we'll finally be at target! Liz