[ Ah, Doctors. They really are all the same about their titles. Lucky for Gottlieb, Peter acts the same about the nickname his mother gave him. He can understand the insistence and wish for people to respect a name. ]

A pleasure, Doctor Gottlieb. [ Peter offers a hand to shake, careful to make sure Hermann can return the gesture with the hand not holding his cane. If there are going to be formal, either because Hermann likes it or to keep the appearances in case someone else spots them, he's going to do it right. ]

In my experience, a good memento is anything that simply brings you memories of where you have been. It doesn't even need to be fancy, so don't worry too much. Actually, there's one thing...Say, you wouldn't happen to be interested in numbers?