I always had this thought that considering that I smoked since I was 13 years old that smoking masked certain personality traits such as being too energetic or too aggressive in speech or too off-the-wall. Do people find this is true? Do people have trouble with their personality needing to be reigned in after quitting, after not having any problems before? I always thought this might be the case with me since my personality wasn't completely formed when I started smoking. Can smoking mask personality traits?