When taking a dump, occasionally there's that piece of turd that comes out but wont drop off. It sits there hanging, in effect, leaving you hanging. ...should I wait? should I pinch it off?
Want to continue with the book? Turn the page.
Want to continue with life? pinch it off and risk just mushing it up.
Bob: Let's go! We're late!
John: Wait! I can't stop! There's this crazy cliffhanger that I cant just leave hanging!