It is well read that players what skills I believe any average skill line will not work for DayZ due to it's enormous build I think this skill line should be similar to the title (State Of Decay) the fact that you could boost cardio in this game by running in circles was a hurtful thought but with DayZ it could offer something as being restless or running increases hunger/thirst there are several ideas thank you developers and supporters for reading and may DayZ prosper.