After crazy-bull-run-around disease finally had spreaded everywhere, a reporter was dispatched to find the reason.
After the while asking people, she went to a cow ranch, where the first case was found.
“How can you take care of those cows?” she asked the farm owner.
“Well, we feed them on time everyday, milk twice a day, breed them twice a year...”
“Oh that’s strange. So how did they get mad?”
“Let’s me ask you this: everyday I milk you twice but only give you one time of hanging out with your boyfriend, will you be mad???”