My best friend is beginning the process of weaning her 14 month old. She has over the past several months gone from a size 12 to a size 6. She does not want to be this thin. She blames this on nursing - although most moms I know have trouble losing that extra baby weight until they stop nursing. She thinks she'll be ok once she stops nursing - but I think something else is going on. Has anyone else had troubles keeping weight on while nursing?