Restraint never ruins one's health. What ruins it,is not restraint but outward suppression. A really self-restrained person grows every day from strength to strength and from peace to more peace. The very first step in self-restraint is the restraint of thoughts.
A satyagrahi may not ride two horses, truth and untruth, at the same time, nor, to change the metaphor, trim his sail to catch every breeze as you do in the name of communism.