forty one -

make great decisions about minor things (e.g., restaurants, pet names, travel dates)
or
have a great laugh

forty -

be
a pirate
or
an astronaut

thirty nine -

never have to go to the bathroom again
or
have a photographic memory

thirty eight -

be able to play an instrument well
or
never have to shave

thirty seven -

work the graveyard shift (the job can be your pick, but the hours would be 10pm to 7am M-F) for the next 10 years
or
give birth to quintuplets tomorrow