It will Definatly increase your 40, but it won't necessarily bring it down .6 that is a really big drop and a lot of things have to go into place in order to do that. But regardless increasing...
It all depends on your body. My body doesn't react well to stims. Although the first time I took jacked my bench went up 20 pounds, never had any solid energy on it after that.
Just move around and when you wanna dance with a girl let her grind with you and move a little. The most important part is to look like you know what you're doing. If your confident in yourself...
