Many people complain that movies are increasingly divorced from real life.
Still, horror and action-adventure stories are popular largely because they take us out of ourselves into new worlds made all the more convincing and stirring as technical effects keep improving. While Mary Jo and Ava do share a solid, affectionate bond, observing Mary Jo wiggle her butt at the men she meets, opening her eyes to simulate expressiveness, and imitating adolescents in her joyful war-whoops becomes tiresome after a half hour or so.