Gordon Strachan admitted his Scotland managerial debut had sparked feelings he had never experienced in his career after leading his country to a 1-0 friendly win over Estonia.
Strachan was "blown away" by nerves and excitement in the run-up to the game, which Scotland won thanks to Charlie Mulgrew's 38th-minute goal.
Strachan was back at Pittodrie, where he helped Aberdeen to many memorable victories as a player including a famous comeback against Bayern Munich that helped the Dons on their way to the 1983 European Cup Winners' Cup.
As a manager, Strachan has experienced cup finals on both sides of the border but he admitted nothing could have prepared him for managing his country.
The former Saints and Celtic boss said: "I'm glad it's all over because in 40 years of football that is probably the most excited and nervous I have been before a game in my life.
"I didn't know how I would feel when I first took charge of the team. Now I know. It was an incredible experience.
"I don't think I expected that. I thought I had done nearly everything in the game, played everywhere, and it kind of blew me away really.
"I've been in the Champions League, I have had to beat AC Milan, Barcelona, Man United, and it wasn't like that."
The former Manchester United and Leeds midfielder admitted he had trouble sleeping the night before the game.
He added: "I think it's when you're on your own at times, when you wake up in the morning and you go 'bang, here we go'. It's okay when you get here.
"I don't know what it was, but it was a bit different."