The second trailer for Star Wars: The Last Jedi left us with many questions we’re desperate to have answered: Does Kylo Ren kill his mother Leia? Will Rey really turn to the Dark Side? A much smaller moment in the trailer that could have major consequences, though, is the part where Kylo Ren smashes his helmet in a fit of anger. Just what drives him to lash out like this? Could it reveal something about his wavering allegiance?