I am 37 years old, 5'3 (160cm) and 108lb (49kg).  I work out regularly, mostly running, gym and weights, 6 days per week.  I am told that I am very slim, and based on my weight and measurements, this would appear to be true.  But, I have never FELT slim.  Because I have pockets of fat, that remain no matter what.  My weight has fluctuated over time, up and down, but certain areas just never...