First off, let me just say I'm CLUELESS when it comes to all that is exercise, so I've been following these exercises on youtube: http://www.youtube.com/watch?v=W9ucbo_fx64 http://www.youtube.com/watch?v=Kq1HnakX5C8 My body is naturally slim. I have a high metabolism, and I like the way I look. Slim, toned stomach. Tight…