It is necessary to pay as much attention to mental health as physical health. Treating mental health problems at the right time is important so that a child has a happy childhood.
Before assuming that your child is a disobedient child, assess what according to you is disobedience.
Mouthing or putting everything in mouth is very common. It signals growth so do not worry much.
Divorce can be quite difficult for a child. It is important that parents handle this situation very carefully.
All elder siblings are excited about having a younger brother or sister. But keep in mind to prepare them enough so that there's no insecurity in them when a newborn arrives in the family.
Colours and shapes are very fun concepts to be explored with children.
Nightmares/unpleasant (bad) dreams are common among preschoolers as this is the age when they start understanding about normal fears and their imagination is highly active.
Air travel with kids can be challenging for parents of young children. Be patient with them as they are always on the quest of exploring new things.
In times of stress, it is important to let your child know that you are there for them.