 Think of it like the gauge on the gas tank telling you whether you need to put gas in, right? So it also sends a signal conveying how much pressure you feel on the bladder as well. So when you need to empty your bladder. So what happens is that the weakened bladder, it sends the wrong signals up and down this nerve. And it kind of fools your brain into thinking you need to go to the bathroom, even though you don't.