Multiple times; mother is choked during first fight scene, protag is choked when confronting guy about his crush, then again during fight with a witch/demon in the last third of the movie.
[SPOILER] at the end of the movie it is revealed that two main characters who are in a relationship are siblings (he’s supposed to be her brother who “died” as a baby). However in the sequels it’s revealed that they aren’t actually siblings.