Did Neville Craven love his sister-in-law Lily in The Secret Garden?

In the book "The Secret Garden" by Frances Hodgson Burnett, Neville Craven does not love his sister-in-law Lily. He only marries her out of a sense of duty and to inherit Misselthwaite Manor. His true feelings are revealed when Lily passes away, and instead of mourning her, he quickly moves on and neglects their son, Colin.