How to check manytomany connection of two objects?
class CustomUser(User): nick=models.CharField(max_length=20, blank=True, verbose_name=u'Ник') birthday=models.DateField(blank=True, null=True, verbose_name=u'День рождения') status=models.CharField(max_length=50, blank=True, verbose_name=u'Статус') creed=models.CharField(max_length=100, blank=True, verbose_name=u'Кредо') friends=models.ManyToManyField('self', blank=True, default=False) moderator=models.BooleanField(default=False)