These are facts, sad, pitiful at times, but the facts, nonetheless. Too bad, then, that Jane fails to apply any of this wisdom to her sorry love life.
Men are beasts, and behave that way.
The secret to mastering them is to stick to science and have emotion take a hike. In other words, men like the hunt, the chase, and once they have a woman, she is no longer of any interest. She becomes Old Cow. All a man ever wants is fresh meat. Ray is the wrong bull for many reasons.