Sunday's article for the Poker section delves into manipulating your opponent's poker psychology, elaborating on eight specific ways.

"In Part One of Poker Psychology, I discussed ten areas to focus on to ensure a positive mental perspective so that you can play your very best. This is not what we want for our opponent, though. We want them to be out of their comfort zone, so we can exploit their discomfort and resulting mistakes. You can be an active agent in creating their discomfort. The first step is to observe their play and determine what is their comfort zone. The next step is pushing your opponent out of their comfort zone."

Poker Psychology, Part 2 - Your Opponent
The article can be found in the beginner guides sub section of poker guides area of the poker section in the sub tabs.