https://twitter.com/mugityao/status/1626296895986405376Young sick Brassius is so weak he has trouble moving, so Hassel helps him to wash up with a wet cloth. Brassius apologizes to him for his weak body and poor health, seeing himself as a nuisance to take care of. Hassel assures him that he's helping him because he wants to, and that he loves Brassius' body.
Later on at night Hassel is agonizing over his word choices, thinking that he must've sounded like a real pervert, while Brassius is fast asleep, calmed by the knowledge that Hassel doesn't mind helping him