When planning to fly, do not spray yourself with five times the normal cologne or perfume you would normally wear.  Wait till you make it to your destination, because I will likely have to sit next to you. 

Something else that happened on my latest trip:  I learned more about the person sitting behind me on a flight, who was talking to a complete stranger (loudly I might add), than I know about my own family.   The oversharing buzzer went off so much I needed to put down the book and break out the ipod. 

Undoubtedly there is something I will notice, good or bad, during each of my trips.  Some others are also noted by my favorite comedian Brian Regan: