Yeah , crazy isnt it ..
I have to travel alot for meetings and I almost died of eating the bland english food ! so the ultimate solution : tobasco sauce 
Chocolates are for emergency use , incase i am on the motorway and cant stop over … I think of every scenario 
screw driver issue is very much related to safety issues ! you can scare someone with it instead of a knife … you can find your way out of the rooms if you get locked in them ( several times ) … if you have forgotten the card key to the doors you can stick the screwdriver into the door so it wont shut fully…
…once we were stuck in an elevator and a guy who was trying to open the doors asked if anyone had a screw driver and guess what? i had one
… so yeah … Life is difficult without one