I feel like I have maxed out my potential physically. I've trained consistently for about 3years (To clarify, I've worked fairly consistently for about 12 years but stepped up the intensity and consistency in the past 3) and no matter what I do I just can't get a BFP lower than 10-12% I've tried it all. High calorie/high protein, low calorie/high protein, going alcohol free, distance running, weight training and every conceivable combination. I weigh about 163 and I'm 5 ft 9. I'm currently consuming about 1800-1900 calories per day and it's a very balanced diet. The problem is, I can go up in weight or down in weight but the muscle and fat seem to go on/come off at about the same rate. So I never get leaner, just bigger or smaller. Is it possible I've just reached the limit of my genetics?