Hi .. I just joined MFP and I'm looking for someone who has similar goals to mine. I am a 55 year old female. I gained 20 lbs over the past year and I am now 171. I would like to be 150 or a lb or 2 below. I am 5'9" and am hoping I can lose the 20 lbs in a couple of months. Well by xmas for sure! When I'm on track, the…