You want to have butterflies in your stomach, because if you don't, if you walk out onstage complacent, that's not a good thing.
Check bags are fun. I just make sure there won't be anything illegal in my check bag which is forbidden at a cabin of a plane. Just leaving things like scissors and such out of my carry-on things in order to avoid troubles with some certain airline, y'know.
If war should break out between England and Japan, the latter would suffer much more than the former.