I mean they are less than a mile away from a maximum security prison, with 16 foot high fencing with barbed wire, solid concrete walls.
Its dam near impenitrable, kinda frustrated that if they would have kept going a little more they would have found it.
But I agree Lori did basically ask him to get rid of him, and when he does it, she acts that way. I'm starting to get really annoyed with that character, I know she's pregnant, and hormones are making her annoying, but damn there is annoying, and there is "please have a zombie eat her to shut her up" annoying, which is where she's been for a few episodes.
I'm just curious about little miss samurai sword and her pet walkers. They werent even trying to attack her either, they literally were like trained dogs, really weird.