Marilyn, as post human ans without more know about her its not easy to tell what she want
, but, as base she should want to be valued, relation wise its to be discussed but she is a childhood friend ? As that it would be fine to go as long he don't screw or let her go.
Chloe then, a basic girl, slightly dumb to not get any insight as to what is ongoing at home but still, if she is a good girl, spending time to study (..) Its somewhat understanbable.
As to last scene , going naked to the sea, alone, erm.
Need to see what happen next, wonder how it will be handled.