Passage: Breastfeeding is a natural and vital practice that has numerous benefits for both infants and mothers. It involves the act of nourishing an infant with breast milk, which is produced by a mother's mammary glands. This practice has been an integral part of human evolution and is recommended by healthcare professionals worldwide. Breastfeeding is essential for the optimal growth and development of infants. It provides a unique blend of nutrients and antibodies that protect infants from infections and diseases. Breast milk contains essential vitamins, proteins, and fats, which are perfectly tailored to meet an infant's nutritional needs during their first six months of life. Moreover, breastfeeding establishes a strong bond between the mother and the child. This skin-to-skin contact during breastfeeding fosters emotional security and attachment, which is crucial for a child's mental and emotional development. It also promotes the mother's physical and emotional well-being by helping with postpartum recovery and reducing the risk of certain health issues, such as breast and ovarian cancer. In conclusion, breastfeeding is not only a natural practice but also a cornerstone of infant and maternal health. It provides infants with the best possible start in life, offering them essential nutrients, protection from diseases, and emotional bonding. Simultaneously, it benefits mothers by supporting their health and well-being. Therefore, promoting and supporting breastfeeding is of paramount importance for the overall well-being of both infants and mothers. Question: From the passage, what is the primary reason breast milk is considered ideal for infants during their first six months?