Ya, they are both great things to learn. You begin to realize that depending where you live in the world people are not used to hand to hand combat. There are lot of people who are either incompetent at fighting or rather skillful. I'd rather be on the later, but then again like I always say, the paranoid survive.
Discussion
Knowing how to defend yourself is mandatory for a confident male adult imo. What man can go around out in the world not knowing how to defend themselves and their people and not feel insecure? Feel like subconsciously the fear / insecurity would creep in.