It doesn't really matter to me how I make a difference, I just wanna make sure that I do.
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.
Smoking is hateful to the nose, harmful to the brain, and dangerous to the lungs.