You'll just eventually get used to it and feel the same at 18mg as you did at 12mg, but you're adding 50% more risk for your heart and circulatory system. Nicotine's a poison, dude. The more you use the worse it is for you.
Better idea is to cut back, THEN go back to 12mg.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.