If you dream of your own weight, then such ream could indicate the satisfaction or dissatisfaction of how you feel. The tension you feel from the sociality to look good and thin, could do lots of harm, especially if you do not meet others expectations. The weight could also show how tired you feel because of the responsibilities you are carrying with yourself, especially if you gained weight. If you lost some of your weight, then it could represent the easiness you are enjoying, because of the problems that been lost together with the weight.