Dustin had a problem. Not a bad problem, exactly—more like a dusty one.
Acknowledge his history: if he talks about his routine, select "Sounds like a rut". amorous dustin guide
In his apartment: He will play music. He asks, "What do you want to do?" Dustin had a problem
Dustin is not a character you can speed-run. He will test you with his insecurities. If you get frustrated and pick a sarcastic response just to move the dialogue along, you will fail. Treat him like a real partner: listen, reassure, and show up. and show up.