Dumping milk because of lipase doesn't make me nearly as angry as this other reason...I put two oz of milk in a bottle and realized there was a stinkbug in the bottle! and now had to toss that milk. These stupid bugs are everywhere! I am so over them.

Tracie, maybe you're right. I haven't really been able to find any reasons why this could happen, but the OP's acupuncturist's idea is worth considering maybe