Answer:
clarify her sexual orientation and show that she is just like her friends who find a long-term heterosexual relationship just to make her parents happy.
Explanation
Tiffany is at the point in adolescence where all the girls are talking about who they have a crush on. She is playing along, but is realizing her thoughts are different from the others. Typical of sexual minority youth, she agrees to go out with Doug as a way to clarify her sexual orientation and show that she is just like her friends who find a long-term heterosexual relationship just to make her parents happy.
