The Spanish defender was a key member of the Real Sociedad team dumped out of La Liga in 2007 and he suffered a double blow when he was then forced to leave his beloved first club to balance the books.
Garrido is determined not to revisit such heartache with Norwich, who lie in 14th place - just four points above the relegation zone with seven matches remaining.
The Carrow Road club have won just once in their last 14 matches and Garrido, who played 86 times for Real Sociedad before moving on to Manchester City, said: "Unfortunately I got relegated and it was a black point in my career. It was very disappointing for everyone, including the supporters.
"Now I think we need six more points, 40 points will be enough, maybe less. The perfect thing would be to win two or three more games. The most important thing, though, is to have the sensation of winning this game. If we won we would breathe better
"The mentality is to go out to win. Norwich have to beat Swansea. From the first minute we need to show we are footballers. The players and the fans want to play in the Premier League next season. It is one thing to be in the Premier League where everything is perfect, it is another thing to be in the championship."
Garrido is currently on loan from Italian club Lazio but he can see his future at Carrow Road.
"I feel so comfortable here," said Garrido. "Personally I would love to stay here because I am happy.
"But we need to improve, We have quality up front. When the team don't score the focus is on the strikers but everyone has to help the strikers to score. We need to score more goals."
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- Real Sociedad