"She is incredibly fit, but we remind staff that she's not just the monarch, but our mother"

Prince Andrew's quote is a suggestion to staff that Queen Elizabeth II is not only the king, but likewise a mother. He is emphasizing the significance of respecting her as a mother, as well as an emperor. He is also highlighting her physical fitness, which is a testimony to her strength and decision. The quote is a reminder that the Queen is an individual, not simply a token, and that she deserves to be treated with respect and generosity. It is a suggestion that she is a mom, which her role as a mother need to be respected and valued. It is also a suggestion that she is exceptionally healthy, which her physical strength needs to be admired and appreciated. Prince Andrew's quote is a pointer to personnel that the Queen is a person, not just a token, and that she deserves to be treated with respect and compassion.