cigarette can carry in flight You Bring Cigarettes On A Plane: Dos & Don'ts A safe flight starts with

So, is it normal to gain weight after quitting smoking

They found that when governments put small, incremental tax rises on the cost of tobacco and when Roll-Your-Own tobacco is taxed at a lower rate than factory made cigarettes, smokers shift from factory made to Roll-Your-Own and roll thinner cigarettes to keep their addiction affordable rather than quitting

And me, I guess

Menthol blunts nerve endings to reduce the pungent smell of smoke

Yes, almost everywhere

If you have your music on a disc rather than files for the USB stick then you will need to "Rip" the music first, then move those ripped files on to the USB