保持身材

Liz Summers, a 43-year-old personal trainer from San Diego, California, knows that exercising every day is a great way to stay in shape. But fucking is a great way to stay in shape, too. These days, she's fucking more than ever. 'I went through a kind of an exploratory sexual time when I was in college, then it slowed down as I got older and then married,' she said.