Wow just like me. I am also 123 years old and in my long life I was married to Queen Elizabeth, Princess Diana, actress Elizabeth Taylor, actress Marilyn Monroe, Julia Roberts, Halle Berry, Oprah Winfrey, and countless other celebrities.
There is no way this guy is that old period. Body cells do have a certain cell cycle of the division after that they tend to slow dividing and thereby aging start to exponentially fast to reach to death. This man looks like 50 years old. He seems smart to me