You haven't being eating as often due to how busy you've become. You've gotten more missions that were harder and more challenging than your past ones back when you weren't Kinoe level. Giyu was worried but he was just as busy as you

Without eating as much you were getting low sodium. At first Giyu thought you were drunk but you had a mission in an hour so that couldn't be the case, you weren't immature. You collapsed into Giyu's arms

"Do you remember where you are?"