do u have the experience that u say goodbye to over 400 people in ten mins? yes, i do.today's flight is full and the groundstaff just open 1L door and wen wen is standing 1L station. so........see u, goodbye and have a nice trip repeat many many times. i guess it lasts at least ten mins. but when u see the pax r happy and safe to arrive their destinaon. i smile, too.