Characters
What I really want to do – what I want to do for a living – is I want to be with your daughter. I’m good at it.
— Lloyd • Say Anything...

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker describes what they want to do for a living as being with the listener's daughter, turning devotion into a career. Adding "I'm good at it" brings in cheeky, confident humour beside the sincerity, as though love were a skill to list on a résumé.
Context reviewed