@Ara it's not a simple smirk like eye contact or being rejected like you think. There are a lot of meanings behind that smirk.
In volume 3 from the novel Klopp's own words
In volume 3 from the novel Klopp's own words
Spoiler!
"I sacrificed an innocent soul (speaking of Rafiel) because of my ugly pride. It's all my fault you did nothing wrong"