[X] Speak with Niamh. Talking with Matthew calmed you down a little, enough that you probably aren't going to lash out. It's the last thing in the world you want to do, but you do need to talk about what happened.
[X] Speak with Archer. You didn't intend for her to hear it—or, being more honest, you just forgot she was still there when you blurted out what you did to yourself. Still, she was worried before, and now you can't tell if she's more at ease or just even more concerned. It might be a good idea to set the record straight.