I don't do cardio because, well, I hunt my dogs. I guess that's my cardio. And then I do agility with them. I guess it's my cardio. I guess swimming is technically cardio and sparring, but, like, full out running and cycling. I don't know, more goal oriented. My brain engaged with it. Rock climbing has a lot of cardio in it, jumping off of really high things. I guess it's a lot of cardio in it