It ensures that the parent will have a chance for a stronger relationship with the child, which help the child with intellectual knowledge later on in life. This could also help keep the child happy and healthy.
That one is very important bcs during those stages of age it is where the baby makes marks and notice of everything take it frm the y reason the new born of two weeks or so are so starring when holding them.it when everything is built in their cognitive system n when they start to learn words like ma-ma they should know who are they referring to