I would say just from the limited information, if most (all) of the mentioned flights end in a diversion that suggests poor flight planning for whatever reason. Occasional diverts no problem, but this is not normal. On comments of dehydrating to make longer flights… Bad things happen when you dehydrate yourself. Your mental acuity can decline, fatigue can set in, you increase your risk of blood clots in your legs and lungs, and can increase your risk of stroke and heart attack through increased blood viscosity, and just feel bad. I fly a buttload of long missions, and I drink and eat normally, and carry these when necessary.
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