Trading Setups or Trading Psychology: Which Has Had More Impact on Your Results?

This is the question I keep coming back to after 4 years of trading: At what point does improving your technical setup mastery stop improving your results, and the bottleneck shifts to psychology? My honest experience: Years 1–2: Learning setups improved results significantly. Every technical concept I added made a noticeable difference. Year 3: Setup improvements started to plateau. I had more knowledge than I could execute consistently. Year 4: Psychology work — journaling, mindfulness, daily loss limits, revenge trading awareness — produced the biggest improvements in my P&L I've ever seen. More than any setup could. I think the answer is: "It depends on where you are." For this community: What percentage of your current trading challenges are technical (you'd be more profitable if you just had better setups) vs psychological (you know what to do but can't execute it consistently)? And what's the most impactful psychology improvement you've ever made?