Not only does the min pit bull die. But there is a lot of (heavily implied) Dog cruelty / fighting. The only time we really see a dog get hurt is when the main dog dies. Everything else is off screen / sound effects.
There is a flashback scene where we are showed a young boy with an emotionally abusive father, and it is hinted that his father is also physically abusive
There is a wall with pages from a magagizw of naked and topless women. One of the characters puts his finger on one of the images of a woman's genitals.