We think of fun as (1) physcial stimulation, (2) diversion from work, (3) dream fulfillment, (4) self-fulfillment. Heaven will not be "fun" as defined above because (1) you will not need stimulation, (2) you will enjoy work, (3) all aspirations will have been fulfilled, and (4) you will be complete in Jesus, and need nothing. The sensation we seek on earth called "fun" will be automatically fulfilled in Heaven.
