Note that Ryan is reviewing both the market environment and his specific trades. By seeing which trades are and aren't working, he gains insight into the market that can be fed forward into future trading. That insight can also help him take more risk in favorable environments and pull back his risk taking in murky ones. The structured review is both a learning tool regarding markets and a tool for improving trading performance.
If you're serious about maximizing the psychological aspect of your investing endeavors, we highly recommend you pick up a copy of Dr. Steenbarger's latest work. It's an enjoyable, coherent read for all levels of investors.