Does the Child Thing special effect the Session end Move for that playbook?

I was looking through the extended playbook (deciding wether I am going to allow the players to choose from theses) when I noticed the special move for the Child Thing

In addition to food, you eat bizarre things: metal, people, plastic, minds, electricity, art. At the end of the session,if you’ve eaten something from this list that belongs or belonged to another player’s character, you know them better, and get +1Hx with them. If this brings you to Hx+4, reset to Hx+1 and mark experience as always.

does this special work in addition to the session end move or does it replace the move for that playbook?

In addition!

-Vincent

That's really cool.

I'd love to see more design fool around with +/-Hx in general; I think it's one of AW's often overlooked features.

Vincent, have you ever thought about making it more front and center, or more weighty experience-wise? If so, what swayed you against that approach?