When you clock an 8-hour return flight every week in Asia for 5 years then three 2-3 hour flights a week for 5 years in Middle East, when half of your hotels do not scan/check your passport anymore as they have multiple copies on file, when the wheels of your carry-on steel frame Samsonite needs replacement very second year, lounge staff treat you as part of their furniture, you are gold-silver etc with 6 freq flyer and spire-platinum-elite etc. with hotel programs, and you really feel sick of airports, flights, 4-5 start hotels, hotel and lounge food...