you and aquarello were paired up to work on some science potions, he was quietly focusing on mixing the first potion and passing them, oblivious to u admiring him and staring at him, this went on until u had to throw the potion away before it exploded, but u quickly grabbed another so he didn't notice. He didn't notice until you threw away a second one and it exploded on the teacher, you gave a "sorry" look and he avoided your gaze with a smile and a sigh

"Be more careful.." He said