Okay, so Klaus did have a bit of pride and it came out when he went down on someone, because he had it on good authority that he was really good at it. And he enjoyed it.

So he smiled lustfully and decided to ignore his own erection for a bit and to just focus on Kersen's. He took his time, kissing and nipping his way down, but then didn't waste much more time and gave the member a long lick before taking it in his mouth.