Late 1920s-Early 1930s: The world escalates toward a world war, in large part due to the rise to power of Adolf Hitler and the Nazi Party. Today: The world is engaged in a war on terrorism, in large part focusing on Middle Eastern figureheads such as Saddam Hussein of Iraq.

Late 1920s-Early 1930s: During the Great Depression, most Americans focus on the struggle to survive and feed their families, so there is little time for quiet reflection about love and other feelings.

Today: Despite a massive recession that leaves many Americans jobless, people take time out to appreciate love and other feelings. In fact, although some men still fit the stereotype of being a tough-guy male who bottles up his feelings, the self-help revolution of the late twentieth century has encouraged everybody, men included, to get in touch with their feelings.

Late 1920s-Early 1930s...