Potter's erratic behaviour was worrying Severus too much for him to keep his composure. The child had pressed the heel of his hands to his eyes and kept mumbling "don" feel so good'. He kneeled by the boy, ignoring his increasingly hysterical cries. He waved his wand in a complicated motion and his eyes widened upon seeing the hazy diagram floating in the air. Picking Potter up in his arms, he raced to the hospital wing, ignoring the few students still struggling in the corridors after dinner. The doors opened before he reached them, and he hurried inside.