Lyric discussion by Boarwrestler 

Cover art for One Second of Insanity lyrics by Butterfly Effect, The

The title makes me think it's about having a thought that's so unorthadox, sadistic, wierd etc. that it could be nothing but insane and then making the choice of whether to linger on it or move on as if you never had it... But then the lyrics make me have to agree with ydoidothis.