Did you notice?
What everyone is up to
Rick: Getting kind of pushy, but manning up and killing Shane.
Lori: Confusing the hell out of Shane and breaking his mind.
Carl: Getting traumatized and pointing guns at people.
Shane: Wasting gas (luckily that Hyundai is so fuel efficient!), going really crazy, killing prisoners, and then getting killed twice in a row.
Andrea: Cross checking zombies in the face with a pitchfork.
Glenn: Mourning the loss of Dale. Avoiding Maggie for some reason. Fixing Dale's RV.
Daryl: Acting all badass and getting sent on all of the important missions.
Carol: Not a whole heck of a lot. Presumably still descending slowly into madness.
T-Dog: Helping people move stuff, getting a little more involved lately.
Hershel: Making a face turn by letting everyone move into the house and offering to crash on the couch.
Maggie: Being inexplicably rebuked by Glenn.
Randall: Hurting his wrists really bad and then getting his neck hurt really bad. Poor Randall.
Carl, re: the zombie that killed Dale: "It was stuck in the mud. I was throwing rocks at it and stuff."
Hershel: "On nights when I came home reeking of bourbon, my wife locked the bedroom door. I'm sad to say that couch and I became old friends."
Shane, to Rick: "Lori and Carl, they'll get over you. They've done it before, they're just gonna have to ... I'm a better father than you, Rick, I'm better for Lori than you, man. Because I'm a better man than you Rick..."