If you want to exercise your brain, try playing certain kinds of memory games. There are various memory games that are enjoyable, and that can help better your memory. Not only do these games help to improve your memory, but your overall cognitive function will improve. It is possible to play some memory games on the Internet at no cost.
Most of us live in routines. Our lives are centered around having the same routine each day or each week. If we stray from that routine it can keep us from being able to remember things. Your routine is what is holding back your memory. Change how you do things each day to force your brain to develop new ways of remembering and sorting information.