Since I've started hunting I've noticed that I can't close my left eye and shoot with my gun on my right side. I've since moved the gun to my left side and close my right eye to take my game. It feels normal to me, but I'm right handed at everything I do. My gun is a right handed pump shotgun and feels completely comfortable despite my situation.
1.) Is this normal or wrong?
2.) Does anyone else do this?
3.)Should Ilook for a left handed rifle when I look into buying a rifle?

Thanks for the help in advance.