In case you never heard about it: Milk is not really good for you--no reason for grown- ups to drink it. This excellent article claims you should stop. http://www.care2.com/greenliving/skip-milk-5-reasons-why.html:
"Chronic constipation, irritable bowel syndrome, arthritis, chronic sinusitis and allergies" are often "cleared up when they stopped eating dairy."
"In addition to being chemically altered into something that hard to digest and causes problems, today’s milk usually contains steroids, antibiotics, pesticides from treated grains, bacteria from infected animals, and genetically engineered growth hormones."