I always liked obi wan until i found out he was a drug addict in episode 3. Yeah, it's true, in episode 3 we all find out that Obi wan has been struggling with a space dust addiction. This is the reaosn anakin went to the darkside. I diddnt want to spoil it, but Obi wan had abused anakin while training him. While being stoned on space dust he tore down anakins self confidence and even took a few slashes at him with his light saber. In episode 3 we see some flashbacks through anakins dreams of when he was just a child being taught by obi wan, we see obi wan telling ankin that he was the worst jedi student he'd ever seen and that he has seen Rancor shit with a better sense of the force than he. He even molested anakin while strung out on spae dust. Yes, this is what led ol anakin to the dark side. It really pissed me off to learn that alderan could have been saved from a death star blast had obi wan been a stronger willed person when anakin was little.