Snakes, like people, have personalities. Some are laid back and some are cranky. Maybe your neighbor's snake is one of the crabby ones! The upside, constrictors aren't poisonous!
He's crabby one for sure but I still handle him. He got me on the lip of all places. No I wasn't playing kissy face 8>) It was actually quite quick and painless. Those teeth are like razor blades