Hopefully you will stick with it!! I personally have hit that wall before, and it literally takes everything out of you. I worked day & nights on the 57 for months I finally snapped mentally. I closed up the shop and didn't go back for 2 weeks. Hands down the best thing I ever did. Gave me whole new outlook and put the fun back in it again. Also, Don't compare yourself to Dan - anybody who knows him - knows he is as good as they get. Remember though he didn't learn it over night and neither will any of us. Whether high buck or low buck we do the best we can with what we have. You have come along way since you started building and posting pics of your car. Don't beat yourself up. You are doing a great job.
Brent