የአባቴ ሚና እና ለልጆቹ የሚፈልገውን በተመለከተ Mertesacker ፍልስፍናን ቀላል ነው-እያንዳንዱን ቀን እንደመጣ እና እራስን ለመጥቀስ አለመፈለግ ማለት ነው.
Speaking about his role as a father and what he wants for his children, Mertesacker's philosophy is simple: to take each day as it comes and not to judge himself too harshly.