Valdes left Barcelona last year in an unceremonious way and recently was the subject of criticism from current manager Louis van Gaal.
In an interview that was conducted about a month before the incident and aired last week, Valdes told Colombian news station RCN: "If I was born again, I wouldn't be a football goalkeeper.
"They convinced me I had a lot of talent, but it's not an easy path and it hasn't made up for all the years of suffering. There have been many days when I haven't wanted to be there, but I do it since I was convinced when I was young.
"I have walked the path with discipline, but it has brought me thousands of moments of suffering."