WOW I just went on the forums to search to see if TOBI causes any mental symptoms for anyone else. I swear it throws off my concentration so much and makes me pretty moody. I'm assuming its because it exhausts me and makes me so tired that I tend to lose interest. I deffinitely notice that I'm only like this for my month on (I do every other month). I'm not sure if there has been any research about it but I think it should be explored.