Throughout its over-two-hour run time,It Ends With Usstays incredibly loyal to its beach-read, airport-paperback origins.

(Think:White Oleander,Where the Heart Is.)

(At least the absurdity of the names is acknowledged in the screenplay by Christy Hall.)

Blake Lively and Justin Baldoni in ‘It Ends With Us.'

Blake Lively and Justin Baldoni in ‘It Ends With Us.‘Nicole Rivelli/Sony Pictures

Hes a boy from a broken home who she finds squatting after his mother has kicked him out.

Lily offers Atlas food and clean clothes.

They take solace in one another that eventually leads to sex her first time.

Meanwhile, Sklenar renders Atlas as a sympathetic blank slate.

It Ends with Usvery well may be the first in a long line of Hoover adaptations to come.