Related abilities

Is usually able to tolerate diaper changing without crying (2-4 months)

Is able to be comforted by cuddling or a parent's touch (0-2 months)

Does not demonstrate frequent or long bouts of being upset (2-4 months)

Is able to be comforted by cuddling or a parent's touch (4-6 months)

Is able to be comforted by cuddling or a parent’s touch (6-9 months)

Is comforted by cuddling and a parent’s touch (9-12 months)

Cries and notices when hurt (9-12 months)

Does not require an excessive routine to calm (18-24 months)