This is an outrageous statement— one sided contract? Men lose finances we lose our lifeline. Marriage is the most risky for women. Many family courts are in favor of men. Things have gotten more complicated because no one believes marriage is something under god, higher authority, or even for the good of society. The misalignment of both genders plus hyper individualism is the root cause of this.
Under patriarchy and capitalism, more women are tying their self worth to capitalism as a survival mechanism. Most men are afraid of commitment not understanding the system on a large scale.