take up the harmonica, develop better expertise in another language. take a learning seriously. seeking new avengers and experiences. how the brain loves it ventures. in love the challenge of the unexpected problem. they can run into trouble, the brain love that and feeds on that. reconnect with the real world, smell of flour. get out there and live life to get as if you were a kid. enjoy it in all of its details. scheduled daily social exercise, some people can't get out. the people. skype them. you don't even have to be outside, but daily social exercise is critical. we are social beings and creatures. whenever you give something to someone in an act of kindness, you get just as much reward in your brain and just as much exercise as when you feel it when somebody does something for you. it is healthy to do that. how about a serious approach to new learning. the brain is smart enough to not change a thing. be serious about changing your brain for the better. and if you can, take a hike, take a walk. go on a bike for 20 or 30 minutes every day. connect yourself with the world. s