The Prophet (Peace be upon) said that milk wipes away heat from the heart just as the finger wipes away sweat from the brow. It strengthens the back, improved the brain, renews vision and drives away forgetfulness.
Allah has mentioned:
Rivers of milk the taste whereof does not change” [Qur’an 47:15]. And again He said, “Pure milk, easy and agreeable to swallow for those who drink” [Qur’an 16:66].
The Prophet Muhammad (Peace be upon him) loved milk