Fitness should be one of your goals as a "gung fu" man. The term Gung Fu (aka Kung Fu) liberally translated means hard work. In the overall scheme, I refer to it as self protection, to include healthy living.
Body weight exercises are the way to go for general health and conditioning, in my opinion. Weight lifting is great for specific sports conditioning and specific goals (i.e. "my job is to lift heavy objects, so I need to be ready").
Here is an object that will help you along the road to better health and fitness.