Eventually, people get out of the work force once they reach a certain age and they are then left at the home for the aged or they are let alone by themselves to do whatever they want. Retirement is another phase of life that most people do not like that much.
On the other hand, it signifies that you no longer need to wake up early in the morning to prepare yourself for school nor for work. You no longer need to sleep at a certain hour in order to wake up early the next day. You no longer need to wait for Friday to end the week. You can do whatever it is you want in life. So, somehow, retirement is also equal to freedom.
In that sense, here are some retirement memes that will help you to express how happy you are over this and just spread the word.