I have been leaving my iphone 4s in its case "the otterbox defender" since I bought it. I have just realized that its probably getting pretty hot in there. the first weekend i played with it for about ten hours a day, games and internet. I have never gotten the overheat screen, not that i know there is one? should i not use my otterbox anymore is it bad to leave it on when charging and playing games. do you guys think that I damaged my battery life or my phone possibly.