It is forbidden to cook, eat, or benefit from milk and meat mixtures. It is also forbidden to cook or eat dairy products together with poultry. In Israel, tithes must be taken from all crops. The most obvious idea behind kashrut is self-control and discipline. Let me illustrate this with a real-life example.
Most parents are familiar with the horrors of going to the supermarket with young children.
The worst part of this ordeal is waiting in line at the checkout counter. You are waiting with two children under the age of six, surrounded on both sides by four foot high walls of sugar based products. The children are becoming increasingly impatient and begging for candies, and you are becoming more and more angry and frustrated as time goes on. Of course, most children will scream, beg and embarrass their parents into buying the candy. Now for the true story.