does it matter when you don't realize you made a mistake until 6 months later?

Oh boy, today I am trying to work out all the kinks in the books for 2010 and what do I find but a mess.  I entered in checks to the wrong vendor, forgot to enter in bills I never knew existed, and many more things I don't want to mention because "you know who" (my dad is reading this and I don't want him to think I am "that bad" at my job).  I think I have had my mind on so many things at once that I am just too distracted, kids, cutting boards, Mr. Know-it-all, cleaning, cabinets, finishing, scheduling, reading, and other stuff I can't remember.  All of this is so overwhelming, and in fact today when I had the realization that mistakes were made over 6 MONTHS AGO really put me over the top. 
Thanks for all the comments on my new block with the legs.  It is so interesting that a cutting board can bring about so many opinions.  A family friend stopped by and took one look at the board and said, "that is ugly, are you selling that?" Mr. Know-it-all LOVES it and wants one.  Who knew?  Well all the buyers at Williams-Sonoma had different opinions too and we decided to nix the handles, and make the legs ourselves.  Here it is.........Ultimately the people will decide what they like and what will sell.  People know what they want right now, not 6 months later.  your custom cabinet girl