Jose Mourinho takes most things personally, but Manchester United's Champions League meeting with Benfica on Wednesday night means even more to him than usual.
Returning to Lisbon will be a trip down memory lane for the United manager - indeed, it is a rewind right to the genesis of his managerial career in 2000.
For often forgotten amid the many league and cup successes, the two Champions League triumphs, the many controversies, is that Mourinho's first manager job came at Benfica.
To be honest, in the grand scheme of things, it barely warrants mention on his glittering CV - just 11 matches at the helm - but it was nonetheless a launchpad for his managerial career.