This was getting more and more curious. Malfoy had a sense of humour. Of course, back in school Theodore had never paid enough attention to determine whether Draco joked or not but still, it felt like expecting boredom and getting a pleasant surprise. Later on he blamed this surprise for his spontaneity.
"Great. So what do you say if we grab some lunch and then you can tell..." Theodore suddenly froze in mid-sentence. "Did you just say that you teach?!?" He blinked. "That I've got to hear. Lunch is on me. Come on."