Need some inspiration and motivation!

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I've been using MFP for over a year now but have never used the message boards before. Although I maintain a healthy diet and exercise plan, I like many others can't seem to get the weight off. After a lot of thought and research, I saw a Medical Weight Loss Doctor two weeks ago. He and his staff are amazing and I've started to see some results. I am on a 1000-1500 calorie restricted diet and take Ionamin, diuretic, potassium, and multi-vitamin in addition to a weekly B-12 shot. I lost 7 pounds my first week and go back tomorrow for my weigh-in. I'm afraid that I didn't lose any more (darn holidays) so I'm stressing.
I'm curious if anyone else is in the same situation or has been through this before?
I was at 174lbs and want to get down to 145.