Johnny Sexton smiled when reminded that Marcus Smith, his opposite number at Twickenham on Saturday, was only 10 when the Ireland skipper was making his Test debut.
Father time waits for no-one and Sexton admits he will happily bow to the inevitable at some stage in October 2023.
If fit, Sexton will be 38 when he plays in his fourth World Cup, having signed a new IRFU contract that takes him up to the big show in France.