When they ask you if you want to take off from the intersection that is 2/3 of the way down the runway, just because well you are a freight dog and know how to fly and that you will do anything to get off the ground earlier and not have to sit behind 15 jets in sequence for full length.
When you have a section of rubber hose to beat ice off of the plane.
When you often didnt have an alternate in your flight plan when legally you did, because you never even checked the weather since you were going anyways.
When cruise flight was a great time to do your W&B.
When you knew your fields so well, you could call them in sight from 45+ miles out in the day and actually be honest.
When you spilled more coffee in the airplane than you actually drank.
When your first leg of the morning, you had autopilot on, are flying half awake/half asleep in a semi lucid state with eyes closed, just listening for your callsign.
When you thought your engines stopped momentarily, but it was just you falling asleep for a split sec.
When you dont even pull out charts at all anymore on your routes, because you know it so well you could fly it asleep, and probably have already.
These do not apply to my current freight job, just my previous one in the north country about 5 year ago.