After a barnstorming first few months at Old Trafford, things haven't been going so well for Robin van Persie recently.
The Dutchman was arguably the best player in Britain during the first half of the Premier League season, bagging goals for fun and leading the league's top scorers chart.
For a spell of 12 games between late November and late January, he failed to score in two appearances.
This has now changed for the Manchester United striker, with him having found the back of the net only once in his last seven appearances.
Why is this? What has prompted the hottest player in Britain to suddenly go cold?
Here are five possible reasons, with the likelihood of each assessed.