My girlfriend has been on MF for about 4 weeks. She has stayed to the plan very well, with only a couple, very minor slipups. Now she is getting a bit disheartened cause currently, after 28 days, she's lost only about 9~10lbs. So she's 5'9", and started at 170lbs, and is doing the 5+1 MF plan. I'm wondering if this is normal, or is there something somewhere that we are not seeing that could be ...