If you have a list and have done some then show them and cross them off.

I'll start with a few:

Bungee jump [ ]
Parachute [x]
Fly a plane [x]
Learn to ride a horse [ ]
Visit vast amounts of the southern hemisphere [ ]
Go to everest base camp (at least) [ ]
Climb a mountain [x]
Have kids [ ]
pass out of Sandhurst [ ]
win a pub quiz [x]

now you