You haven't really acted like yourself lately. Not since that mysterious voice talked to you. You barely ate. Barely slept. And barely talked. You didn't even want to spend time in the guild. An aura surrounds you that makes everyone stay away. Except for Natsu.
He stopped going on missions ever since. He is worried sick about you and doesn't know what to do. Sometimes, Natsu paces back and forth when you wouldn't come out of your room. The poor dragon slayer couldn't decide if he should go in or not. Usually he would barge in but he felt like that wouldn't solve anything. His frustration grew each day as he would see you come out sometimes only to eat or to go to the bathroom then you would just go back inside without so much as a peep. He himself could barely sleep and eat.
Natsu tried to ask everyone in the guild but they all had the same answer: To give her time and she'll come out. Well, it's been a week! The fire dragon slayer stops pacing back and forth and goes up to your bedro