"I'm 32," he replies. "25 isn't too young though." Too young for what? He's not going to specify that. Malcolm thinks he's pretty good at reading when a woman is flirting with him, but he also doesn't want to embarrass himself.
He places the marshmallow over the flames, turning it as it gets roasted. "I'm a consultant with the NYPD. My job is what would be popularly termed 'criminal profiler'."
Most people know what that is thanks to it being dramatized in movies and TV shows.