alright im having a problem I use to last a never long time in bed and yes I have changed partners but there both about the same tightness so im not understanding why im not lasting as long as I use to. feel like a f*****g losser use to last a hour to 2 hours now if I last 5 minutes im in good shape I don't understand why these is and u would really like to know why or if anyone else has the same problem could I have been masturbating to much or do I need to do it more. I masturbate about every night so im really not understanding these I last like 15 to 30 minutes and im just trying to get it over with a lot of the times so I can sleep what could my problem be someone pls reply to these if u have any idea on what it could be. pls email me anything u might think it could be