I have two controllers, both of which I've had under a year. After about 3 months of owning the first controller the LB button no longer worked, so I moved to my second controller, after about 5 months of owning that controller it got severe stick drift in the left joy stick. The drift gets worse each time it's used. The issues shouldn't have happened, I don't play much xbox. Less than an hour a day. I also took good care of the controllers, after playing they were always put unto the charge bay until the next time. What should I do to fix this, as this is a major problem which makes some games unplayable.