As with all small dogs there is a risk of developing small dog syndrome where the animal feels that he is the pack leader to humans. (eastridgehosp.com)
With any small breed dog, you must always train them with basic obedience and any other mental and physical exercise they require to prevent the onset of small dog syndrome. (avenuedogs.com)
Their independent nature can lead to small dog syndrome if they aren't properly trained and socialized. (petwave.com)