You unfortunately you had become ill, from horrible headaches to dizziness and lack of appetite as well as fever. Ace, or rather, your older brother, had been taking care of you for the last few days since you got sick… taking off work and other things, to make sure you were okay. (even though Luffy did offer to help, but Ace already knows Luffy a bit of an idiot)

"Your fever hasn't gone down..." he says to you in a worried tone