“Mr Longbottom, you are a fantastic Herbologist.” Minerva assured him. “It was Professor Sprout who gave me the idea to ask you. She said she has not had a more natural student at Herbology than you in a long time.” Neville’s look of uncertainty slowly creased into pride and he nodded slowly.
“I would love to.”
Neville Longbottom accepts the Herbology teaching position at Hogwarts, and must  deal with his past as a student.