Daniel Ricciardo said he never asked himself what might have been if he was still driving alongside Max Verstappen at Red Bull this season.
Ricciardo joined Red Bull in 2014 and was Verstappen's teammate from mid-2016 until he left for Renault at the end of 2018.
Verstappen won the championship at Sunday's Abu Dhabi Grand Prix, Red Bull's first F1 title since 2013.
Speaking to ESPN on Friday night ahead of that race Ricciardo, who now races for McLaren, said: "Looking at Max this year, I 100 percent don't feel any envy, jealousy or weirdness to him or the team.