Chapter Two, The Breath, discusses breathing, breath support, relaxation, air compression, blowing exercises, the diaphragm, the lungs, inhaling and exhaling air, circular breathing, the relaxed throat, the glottis, warm-up exercises and excessive tension.
Really low sagging, like practically with your pants at your kneecaps is not in style right now, but sagging to show a little underwear, or the more PC term low rise is still in. Sagging is purely a thug influenced thing, dudes do this look like wannabe thugs that lost their belts in prison. I won't even lie.
Jeans have progressive shrinkage which means they shrink up a little more each & everytime you wash them, especially after 5 washings. I bought a pair of junior size 11 jeans cause they were cute, they were big but after a few [3-plus] years of laundering they fit. I wear a ladies size 4.