Wolves boss Nuno Espirito Santo admits he let emotions get the better of him against Bristol City last season, as he prepares to return to Ashton Gate.
The Championship fixture between the two sides at the end of 2017 saw Nuno sent to the stands after impeding on Bristol City's technical area, while there were red cards for Wolves defender Danny Batth and home goalkeeper Frank Fielding.
The Portuguese had to watch the remainder of the match from the director's box, where he did not hold back his celebrations when Ryan Bennett scored what proved to be an injury-time winner for Wolves and saw them open up a 10-point lead at the top of the table.
Nuno's team travel to Bristol City again on Sunday, this time as a club seventh in the Premier League, in the FA Cup.
Ahead of the fifth round tie, he said: "That game was so emotional. Particularly it was so hard for me as I was sent off and went to the stands. Being there, you realise that you cannot help the team.
"All the emotions come and later what I felt was a big, big joy and a tremendous moment of happiness. It was so important for us that I could not contain myself.
"All of us are different. I just try to follow my instincts and sometimes I know that I make mistakes. At the same time, I admit them, I apologise when I have to and I try to avoid them in the future."
Wolves have beaten Liverpool and Shrewsbury in the FA Cup this season and Nuno knows another difficult game awaits his side, with Bristol City having won their last nine matches in all competitions.
"We know it's going to be very tough. They are a good team with good momentum," he said.
"We started against Liverpool and then we went to Shrewsbury. Those challenges were so, so difficult.
"Now we are in the fifth round and we know how tough it will be, we have played there before. The only way we'll go through is if we compete to the best of our standards on Sunday."
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