Final answer:
The response of the FHV driver may vary depending on the laws and their personal beliefs.
Step-by-step explanation:
In the scenario described, the response of the FHV driver may vary depending on the state and local laws, as well as their personal beliefs and values. Some FHV drivers may choose to ignore the situation, while others may feel uncomfortable and ask the passengers to stop. It is important to remember that discrimination based on sexual orientation is illegal in many places, and individuals have the right to express affection in public spaces as long as it does not violate any laws or regulations.