He's using the wrong kind of argument for her mindset. Her comeback would be "If someone chooses to drive drunk, then, yeah, she'll vote to have their right to drive taken away. And it's 12:42, so no one will see this.
The APA, AMA and most groups would also like her to know that most gay and lesbian people do not "Choose" to be gay. They choose how they live, not their orientation.
