Question: first thing to do when you retire?
Answer: Get a part time job. Idle hands are the devil's playthings as the old saying goes. ... 
Spend some time and money on your hobbies. ... 
Exercise more often. ... 
Do that long overdo work on your house. ... 
Or you could always move. ... 
Start a business. ... 
Get back in touch with your family and friends. ... 
Volunteer.