def _add_weight_entry(self):
        """
        Add a Weight entry. This assumes a weekly interval.
        :returns:
        """
        self.weight += uniform(0.1, 0.3)

        notes = ""
        if choice([True, False, False, False]):
            notes = " ".join(self.faker.sentences(randint(1, 5)))

        instance = models.Weight.objects.create(
            child=self.child,
            weight=round(self.weight, 2),
            date=self.time.date(),
            notes=notes,
        )
        instance.save()
        self._add_tags(instance)

        Add a Weight entry. This assumes a weekly interval.
        :returns:
        
babybuddy/management/commands/fake.py