It would be hilarious if she actually did commit suicide, that would be a genuine plot twist. The stakes in this series so far feel pretty low, even lower than something like John Wick.
@Luke_chase I think he did it because Machida's the same age as his daughter, to try to get better at talking with someone that age. Plus it's already been said that he's immature for his age so he might relate to highschool kids more than working adults.