Well, you haven't taken in anything to speak of, so it might be a while before you have enough of anything to poop out. That doesn't worry me. As long as they were happy with your bowel sounds, and better yet if you can fart, it's a pretty good bet that your guts are waking up okay.
Your guts kind of "go to sleep" when they are stressed, and some people's guts take longer to wake up and get going again than others. This is very rarely a problem. Do keep in communication with your surgeon about this.
Your nine pounds of loss is WATER. You will continue to lose several more pounds very quickly, most likely. Also WATER. Then it will slow down, maybe stop, maybe even go UP. This is because your body is replenishing emergency energy stores and that requires water. Do NOT, I beseech you, be a scale ***** especially in this first 4-8 weeks.
Better yet, start learning NOW to meaure you progress without the damned scale. Take your measurements. Find how one set of clothes fits you and try it on once a month to compare the changes. Take lots of pictures. Keep records of health and fitness improvements and how you become able to do things you couldn't do before surgery.
The scale is a liar and it will make you crazy. Throw it away.