Harry is eternally grateful for Mayumi's aspirins, when he began his potions exams with a thankfully not throbbing head. His scar is still stinging though, but it's so much better without the stabbing headache.
Harry was trying to remember wheather he was supposed to take the cauldron off the fire when a loud boom sounded, and surely, there was Mayumi, her 76th cauldron laying on the floor in pieces.
"I swear," She stated, "I just touched it."