Surveys about sex, marriage, Alex Cooper, China, the FIFA World Cup, AI, shoes, fitness, performance-enhancing drugs, children's television, and Donald Trump's policies. Most American adults hold fairly open attitudes about premarital sex, and few see anything hypocritical or strange about young adults having dated casually in their 20s before later settling down, a new YouGov poll finds. The poll was fielded soon after podcaster Alex Cooper announced her pregnancy with husband Matt Kaplan.