10) You have to put your total number of dives in scientific notation.
9) You look back at your logbooks and realize you've spent more time at
decompression than at uni.
8) You're permanently prune-figured.
7) Your dive log is available on Amazon.com.
6) You have named all the buff bream on your favourite wreck.
5) You worry that your office elevator is ascending too quickly.
4) You've stopped logging your dives because it's easier to just log
your surface intervals.
3) Your "time to fly" is measured in months.
2) Your picture appears on fish identification tables.
1) You clear your ears prior to stepping on a down escalator.