What do Kevin and Vicki do in American pie?

In "American Pie," Kevin and Vicki are high school seniors navigating their relationship and the pressures of impending adulthood. Kevin, played by Thomas Ian Nicholas, is determined to lose his virginity before graduation and focuses on his romantic relationship with Vicki, portrayed by Tara Reid. Throughout the film, their relationship faces challenges as they deal with misunderstandings and the pressures from their peers, ultimately leading to moments of growth and self-discovery.