Thomas, I'm an admirer of your superb work, even through the muddy lens of scanned prints on a monitor screen. Bet your prints look amazing in the flesh.
Constant critical reflection of your vision and the means you choose to achieve it are the raw materials for producing great art.
But don't beat yourself up either. Pour yourself a skelper of a dram of malt whisky (I personally recommend Mortlach 16 year old!) and bask in the contented glow. You produce phenomenal work, and are an inspiration. Looking forward to seeing more in the years to come.
PS- I am a thousand years away from your situation in my recent adventures with Polymer Photogravures. But I still enjoy the drams...