Should I edit after each chapter or after a whole book? | Writer Questions #14

One of my biggest issues that I have with my writing is my inability to continue my story because I do not like the way I worded a certain sentence here or felt like a certain line was too cliche there and I constantly have to keep going back over it. Tweaking, editing, obsessing, etc.

Is this something common for everyone or am I unnecessarily hindering myself? How do you deal with this in