When we are attracted to someone, it's common practice to say that we are “in love”. It is therefore no different to say that the wolf was in love with Little Red Riding Hood.
The end of Red Riding Hood revealed Valerie's father, Cesaire (Billy Burke) to be the wolf. Not only was this a shocking turn of events because it meant that Cesaire killed Valerie's sister, Lucie and was responsible for all the other murders that have taken place at Daggerhorn.
DorothyThe 18th episode of Once Upon a Time's fifth season, titled "Ruby Slippers," featured the fairy tale drama's first gay romance when an adult Red Riding Hood (Ruby, played by Meghan Ory) fell in love with The Wizard of Oz's Dorothy (Teri Reeves).
Valerie is not frightened or disgusted of him, though, knowing he is a good person despite his fate. They finally consummate their relationship, though Peter ultimately decides to leave to figure out a way to come to terms with his condition and control it.