Actually, on this occasion, it isn’t – It’s in his handshake 😉
Germans like to shake hands when they meet. If they meet friends or relatives they may hug or kiss, but if it’s a business meeting or they meet an acquaintance then they shake hand. It is not uncommon to see a German arrive at a business meeting and shake hands with everybody present. Likewise when they leave.
So, how do you do the perfect handshake?
Well, I have searched high and low for you and have found the answer.
Edit January 2019: For a more serious approach, the following German video is from a workshop which showed how to deal with those different types of handshakes.