I think you're asking if they reconnect your small bowel to your rectum (with no colon in between)........will there be an increase in urgency to find a toilet. If so, then yes, there sure will be. Everyone's mileage will vary, but your colon is primarily there to absorb the remaining liquid from your stool and compact what's left. Without it all that unabsorbed liquid will still be there and there won't be any place to store it. So you'll want to......and need to........use the toilet more often. How often really depends on your eating habits and the condition of your small bowel. And of course your sphincter muscle must still be intact and functioning in your ass. As Maried mentioned above, your butt isn't well prepared to deal with frequent liquid stool, so you could develop skin irritation in that area. Most in the situation you're describing don't get reversed because of quality of life issues. But the good news is they can always reverse the reversal. Not fun, but at least you'll have an option.