Baby calms at your touch & the sound of your voice. When your child is reassured by your presence or your voice, that's his/her first step in bonding with you and a clear sign that he/she is evolving emotionally. The baby is curious and attentive toward new sounds and listens. As your baby grows he/she tends to observe and focus on things around them. This is a sign that your baby is growing in a healthy manner. They cry a little less and sleeps on a regular basis. This only proves that their nervous system is maturing If your baby Is gaining sufficient height and weight. As a matter of fact, if your baby is approximately 2x his birth by 5 months and 3x his birth weight by the time he is one year old, this means he/she is growing in a healthy manner. If you are changing an approx of 6-8 diapers in a day. This is a clear indication that your baby is not only feeding well but he/she is also properly-being hydrated.