Louis van Gaal says he may leave Manchester United at the end of his three-year contract to keep a "promise" to his wife.
Asked about extending his contract at Old Trafford, the Dutchman told BBC Sport that he intended to "give it up" at the end of his contract in 2017.
"I promised that to my wife. We have not many years together any more. That is the reason," said the 63-year-old.
"I have done everything in my career as a manager."
Asked about the possibility of extending his stay, Van Gaal said he could not answer because his wife, Truus, "is very mad".
"I have to admit I have said to her, when I met her and our relationship seemed to be very good, that at 55 years I shall quit. I am still working and next week I am 64.
"The only wish was the Premier League. Now I am here.
"So. I have to go to Qatar to earn still more money? I don't think so. You have to enjoy also your life and your relationship with your wife."
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