You should balance your activities with proper amount of rest.Some of the leading experts in the field of aging now believe that regular excercise along with proper amount of rest may actually add years to the life span,results from the number of tests indicate that speed & muscular strength of many of the elderly can be extended.
Laughter is one of the best things for your mental & physical state.People are naturally attracted to some one who has good sence of humour.You can also develop a good outlook & a good sence of humour by surrounding yourself with happy people