Answer Wiki. The system would be cued off the pilot's helmet, so it will definitely look where your head is pointing, not your eyes specifically (that would be a gaze-tracking system, which AFAIK hasn't yet been used for this kind of application).
Exercise to Gain Leg Weight. Although you can't make your body gain weight in your legs, you can perform exercises that encourage the growth of leg muscle. Squats, lunges and step-ups are examples of such moves that target the legs and recruit a lot of muscle fibers for growth.
Step 3. Weigh yourself if you feel you have gained weight over a couple of days or weeks, as retained water leads to rapid gain in weight. Step 4. Take into account the feeling of abdominal heaviness or an increase in your waistline, especially a week or two before the start of your menstrual period.