Yo Dona: Why do relationships last so little today (is there anything we can do to avoid it?) Do I stop dating charismatic men and settle for a nice one? Can a couple survive an infidelity like that of Íñigo Onieva to Tamara Falcó? "That he has an education or that he has another but, please, that he does not make spelling mistakes," Cristina, 34, told me. "I, so first NO, never!", she tells us when we ask her if she would have sex with someone who committed spelling mistakes.