Susan Yager-Berkowitz is a longtime magazine writer, specializing in nutrition. Together Bob and Susan are editors of the new book Dr. Hubbard's Sex Facts for Men and Women and are...lihat lebih banyakSusan Yager-Berkowitz is a longtime magazine writer, specializing in nutrition. Together Bob and Susan are editors of the new book Dr. Hubbard's Sex Facts for Men and Women and are the “Marriage Experts" on ThirdAge.com.lihat lebih sedikit