These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Nightmare Fuel: TJ was in the car during the accident where his mother died.
Early in the film, Hesher threatens to TJ that he would kill the entire family if TJ didn't play along with him staying at the house. In a later scene, TJ comes home to find Hesher talking and laughing with TJ's grandmother.