This is an old joke!
A second joke in the same day (we're catching up for missing telling you the joke yesterday). This one is also linked to birthdays! We hope you like it!
Question: What goes up but doesn't come down? Answer: Your age!
If you would like to have your own special joke performed by Benny and Millie you can get one from Benny and Millie's joke shop on Fiverr. Have a look here: http://bit.ly/Vw0DBi.
You can also find out more about the other fundraising activities on the Wheelchair Bedroom for Millie website http://bit.ly/YK4nuA.