This all feels enormously silly, Wolfgang is pretty sure any kind of physical contact is enough, but, okay. They make a few aborted gestures as they're not sure exactly what to do with their arms before they succeed in putting one around him, the other holding his hand. They feel like one half of a junior high prom couple not sure how much touching they're allowed to do before a chaperone comes down on their head.
This feels even sillier given that Wolfgang is half a foot taller than he is. Reminders of the dramatic height difference between them and most other people make them feel singled out and monstrous, and this feeling gets all mixed up in how strange it is to be this close to someone they know a lot about, but who knows very little about them.