Also, bookdreamer, and probably just as pertinent, the importance of having good friends to share your activities with. Not all of us have close friends with whom to meet up for lunch etc. especially if we've recently moved house, or lost friends due to bereavement.
Retirement is a joy for some, but not all, I agree.
Washing bio gel or quid in the drum
How long do care home give you to sell flat
Frank Field, Labour Peer has died, aged 81y.