[While she appreciates Monika's honesty and empathizes with the effort it clearly takes, the information in and of itself isn't that surprising. Because the vision inside the Roland's head is the trigger, but maybe you could say the loops of her horrorscape are the bullets.

She doesn't realize she's taken her bottom lip between her teeth until it starts to hurt. Tentatively, she reaches out and sets a hand on Monika's shoulder.] ...yeah. It's... Sometimes it's been hard for me too but I'm more worried about everyone else. [About you is implied.] There are a lot of us with...stuff like this. In our stories.