Tolerance and being open to diversity are important for social health and building healthy relationships because they create a respectful and peaceful environment where people from different backgrounds can coexist. This helps individuals and society by promoting understanding, acceptance, and harmony among people with different cultures, religions, races, and languages. It allows us to learn from each other's differences and promotes empathy and brotherhood. Coexistence is an important aspect of living together and it supports the growth, survival, and balance of species on Earth.