An 87-year-old man from New York attributes his exceptional physical fitness and youthful demeanour to a disciplined childhood forged in hardship. Peter Brenner, a retired senior food service manager from Westchester, maintains a strenuous weekly routine of weight training, yoga, and long-distance cycling.

Brenner's early life was marked by loss and strict regimentation. After his stepmother and stepsister died of tuberculosis post-World War II, he spent two years in a sanatorium before being moved to an orphanage he describes as operating "like a military dictatorship."

Foundation Built in Adversity

Brenner told Business Insider that his childhood, where "every minute of every day was scheduled," instilled a resilience that became the bedrock of his lifestyle. Limited to some soccer and swimming, his relationship with structured physical activity deepened during his service in the West German Border Police in the late 1950s.

"It involved a lot of long-distance running, swimming, and, best of all, skiing," Brenner said. Stationed in Bavaria, he would spend up to eight hours daily on cross-country and downhill skis, an experience that "suited me to organise sports for a change."

A Lifelong Commitment to Activity

After immigrating to the United States in 1962, Brenner utilised breaks between food service shifts to visit the YMCA gym, establishing a "good foundation for keeping fit throughout the decades." In his 40s and 50s, he cycled 30 to 40 miles five times a week after work, a practice he says helped him manage stress.

Retirement 20 years ago did not slow him down. He took up Bikram yoga and, three years ago, hired a personal trainer, Agnes Malinari, for weekly strength and weight training sessions at his local New York Sports Club. "I'm always very tired at the end of the session," he admitted.

Current Regime and Philosophy

Brenner's current weekly schedule is formidable: an hour of weight training, two yoga sessions, and cycling up to 80 miles. He supplements this with gardening. His diet avoids processed foods and sugar, focusing on proteins like fish or chicken with fresh vegetables, though he does not deny himself "a couple of glasses of wine in the evening."

When asked for his secret to youthful vitality, Brenner rejects the term. "I don't like to use the word 'secret' because it sounds arrogant," he explained. Instead, he contextualises it by describing his impoverished, controlled childhood. "It makes me appreciate what I have now," he said, whether it's feeding his mind at the theatre or hosting friends for discussion.

Reflecting on his journey, Brenner concluded that his past "forged strength and resilience," characteristics he identifies as vital for navigating a long and active life.