Brazil forward Neymar said he "didn't want to see a ball" or watch any of the remaining World Cup matches after his side's quarter-final defeat by Belgium.
"I was in mourning, I was really sad, but sadness passes," the Paris St-Germain player said.
"I have my son, my family, my friends and they don't want to see me moping around."
The 26-year-old also called reports linking him with a move to Real Madrid "all speculation".
Neymar joined PSG for a world record £200m from Barcelona last summer and scored 28 goals in all competitions as the French side completed a domestic treble.
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"I can't be the referee and play at the same time, but there are times I wish I could."