Title: 13 cosas que las personas mentalmente fuertes no hacen
Description: Examines "how mentally strong people avoid negative behaviors: feeling sorry for themselves, resenting other people's success, and dwelling on the past. Instead, they focus on the positive to help them overcome challenges and become their best."--Amazon.com (for orignal English language edition).
Subjects: Actualización de sí mismo (Psicología), Success, Motivación (Psicología), Spanish language materials, Materiales en español, Disciplina mental, Motivation (Psychology), Felicidad, Éxito, Self-actualization (Psychology), Mental discipline, Happiness