Well it appeared to be strictly business, but he still wondered why Weasley would want to keep something like this secret from his family. Then again, there were a number of people who would feel that it is best to hide their suffering from their loved ones--it wasn't a completely new phenomena.
"I think it would be helpful to first hear your suspicions, and then I can move onto more specific details. If you can start with the earliest incidents--and perhaps where or when you may have been cursed, it would be of assistance." He opened his suitcase and took out a Dictaquill and some paper. "Would you mind if I have notes taken?"