I just knit and reknit the begining of the Lucy Bag pattern from Two Old Bags. At the end of about 4 hours effort I had nothing in my hand but a ball of yarn. But! I had also figured out how the pattern was really supposed to go. In the end, if you don't frog you will probably torture yourself about 5 times as long as it would have taken to frog it and do it the right way. Btw, have you considered using a lifeline so that you don't have to absolutely go back to the begining? My sympathies, believe me I feel your pain.