Here is a sick up glitch you can use to get a lot of stemina realy fast.Ok the first thing you need to do is get ba bmx bike the go find a bobcat.After park the bmx bike on the trunk of the bobcat.For the final step when your on the back of the bobcat press triangle and if done correctly cj should get off the truck and should be running pushing the truck.After a while cj shoul start gaining stamina.Warning cj will probobly louse fat and muscle.HOPE I HELPED YOU