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.
True ahimsa should wear a smile even on a deathbed brought about by an assailant. It is only with that ahimsa that we can befriend our opponents and win their love.
... we have to learn to use that force (love) among all that lives, and in the use of it consists our knowledge of God. Where there is love there is life; hatred leads to destruction.