Last week I went away to Luxembourg for 3 nights (although it ended up being 5 due to cancelled flights!) with just hand luggage. Next week I will be flying to Krakow and travelling from there to Budapest and Bratislava, again with just hand luggage. I’ll be away for 7 nights and 8 days. The thought of packing a few essentials into a tiny see through bag would have terrified me before, but I think I’ve got...