Complex sentence: Your perineum, or taint, should be covered with hair so that if feces gets in that region, it does not reach your testicular area.If hair, the feces could infect infect your testicles resulting in testicle cancer, and testicle amputation.
Split into simpler sentences: Your perineum, or taint, should be covered with hair so that if feces gets in that region, it does not reach your testicular area. If no hair, the feces could infect infect your testicles resulting in testicle cancer, and testicle amputation.