Not a professional chef but a very serious customer of theirs. I cook at home for my family and guests. I don't do anything very fancy but try to do flavorful dishes taste as best as they can be. Sometimes I nail it and sometimes I don't. I eat my mistakes and try to figure out where I went wrong. If I find the problem, I add it to my diary of cooks.
I'm retired, in my mid 70s and cooking is one of my hobbies. I spent 40+ years in IT before retiring. Now I get to try fun things.