Marcellus finds it a bit inappropriate, but in the face of Katrina's smile, he has to accept it. "Okay, but I won't let you do it again!"
He gave her a mobile phone and accompanied her when she reapplied for her documents because he wanted to. She shouldn't feel bothered, let alone grateful for what he did.
This time, he accepts it to make her happy. But he can't let her treat him again next time.
It's not easy for her to live on her own and make a living for herself. He doesn't want her to spend every penny she has.
Afterward, Marcellus drives Katrina back to the police station.
"Thank you, Marcellus. I'll go back to work now." Unbuckling her seat belt, Katrina pushes the door open and prepares to get off.
Still finding the words to talk to Katrina about their relationship, Marcellus finally gets the courage to speak when he sees that Katrina is about to leave. "Katrina!"
Outside the car, Katrina looks back at him in confusion. "What's wrong?"