Running=meh. The only reason I do it is to be acclimated to the local environment thusly being the scorching sweatiness of the bogtropolis in a Texas summer. I don't enjoy running on paved roads so I don't. Sticking to the trails of parks means good tree cover and the negative reenforcement of being attacked by thousands of mosquitoes if I stop. Try out as many types of cardio you think you might like. None of them are easy to begin with, but variety is the spice of life.