I've gained 2 pounds and can't figure out why

I'm on my second week of FB Fit and I've already completed the four weeks of FB Bodyweight, and I'm also following the FB Meal Plan (1600 calorie allotment). Why am I not losing weight? I can tell my body is changing, and I'm getting good feedback from coworkers, but I went to the doctor today and stepped on the scale and was much heavier than I have been. So when I got home, I weighed myself again, and yes, I'm up two pounds...…. I love the way I feel physically, but I'm still struggling mentally with my body image. I know that everyone's weight fluxuates, but I should be down several pounds, even with the fluxuation.

Any words of motivation?