From "Nancy Drew's Guide to Life" by Jennifer Worick

If a guy takes you on a rollercoaster repeatedly, it might be because he likes it when you cling to him. - "The Clue in the Jewel Box"

If a guy's hunch results in a dead end, don't flaunt your better judgement and intuition in front of him. Smirk secretly to yourself. - "The Phantom of Pine Hill"

And my favorite:

After receiving an electrical shock to the system, find as many men as possible to vigorously massage you. - "Mystery of the Glowing Eye"