If you're interested in paper planes
, you could try to beat the world record for distance -- and it looks like there may be annual contests for you to compete in pretty soon. You could also try to make a paper airplane that stays aloft for the longest time
. Or you could come up with your own record (most loops? most accurate landing? best tricks?). Check out some of these links if you think you could be obsessed with paper planes.. in a healthy way.
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post