I can't remember where I read it. But it is said that every act of copulation drives some energy out of your body. So perhaps remaining virginal keeps that energy from being lost.
It may be why young unmarried people are advised to exercise a lot as a way of getting rid of sɛҳuąƖ energy. It means there is some energy that can be got rid of or used!
But sometimes the love for one's family keeps a solider from risking his life when it is necessary. If you have someone worry about, a dear one that can be taken hostage or threatened, you can be more easily defeated than if you don't have.