If there's a lesson to be learned from Ugo Ehiogu's tragic passing this morning, it's that no matter how healthy you are, death can happen to anyone.
The Englishman enjoyed a 20-year playing career with the likes of Aston Villa, Middlesbrough and Rangers, and was said to be an extremely fit 44-year-old.
But despite being in top physical condition, Ehiogu suffered a cardiac arrest on Thursday at Tottenham's training ground and passed away in the early hours of this morning.
Doctors were unable to save the former centre-back, whose sudden death has shocked the world of football.
Fabrice Muamba was one of many former professionals to react to the tragedy having narrowly escaped death five years ago.
During an FA Cup match between Bolton Wanderers and Tottenham in March 2012, Muamba suffered a cardiac arrest on the pitch. He was 'dead' for 78 minutes after his heart stopped.
Thanks to medical personnel at White Hart Lane and a cardiologist in the crowd, the 29-year-old's life was saved and he miraculously recovered.
Life has since been on the up for Muamba, who was forced to retire from professional football, but he's suffered more heartbreak over the past couple of days.
News confirmed yesterday that former GB athlete Germain Mason - who was a close friend of Muamba's - lost control of his motorcycle and died in Kingston, Jamaica.
Losing two close friends in two days prompted an upsetting tweet from Muamba, who mourned his losses and said to "cherish life" (see below).
He wrote: "Yesterday I lost my friend Germaine Mason. This morning Ugo Ehiogu passed through a heart attack. Cherish life it's promised to no one."
Muamba reinforced the point that it doesn't matter who you are or how fit you are, death takes no prisoners - so make the most of your life.