Content and formulas provided by Geek Logik, written by Garth Sundem
If you want the formula, buy the book.

Should You Join a Gym?
Answer the following questions and then submit the form.

How much do you need to lose to get to you ideal weight?

 
Marital status? (1-10 with 1 being married and repressed; 5 for dating and optimistic; or 10 for swinging single.)

 
How tired are you? (1-10 with 10 being tank cleaner at Sea World)

 
How many minutes to the gym?

 
How do you need to do other things? (1-10 with 10 being "Presently coaching wife in labor")

 
How many days have you worked out this last week? (C'mon, be honest)