Hi. I recently have been feeling very tired, but not mentally. Even when I get a full night's sleep I wake up and my body feels heavy and tired. I'm a student and recently I have been studying a lot so I don't really move around throughout the day as I am sitting at a desk. Also, I have met a guy who quit smoking, but still chews nicotine gum. Do you think making out with him (I only see him once a week) could have anything to do with my recent tiredness? I don't know how much nicotine is in the gum or if it could even be transferred while kissing. Thanks for any input!