I am a list-maker..... I make a clothes list (I use the "capsule method" two coordinating colors and every piece goes w/ every other piece) and a makeup list and a medication list and a miscellaneous list. DH packs right before we leave, but I have already shopped for him and gotten every thing clean and pressed and before he closes his bags I quiz him from an "essentials" list that I made for him. This way we very seldom forget anything and never an EEEEEEEK! item. I do this for ALL trips.... Land, sea, or air.