Originally Posted by WarriorDreamer
I think some people's eyebrows raise involuntarily, as a natural reaction to something somewhat cheeky, tongue-in-cheek or a little rude. My eyebrow does it all the time. If I'm being a bit ironic or something, sometimes my eyebrows will raise without me knowing. That's probably like Henry.
Makes sense. He might not be doing it on cue, its might just be his physiognomy.