According to the current laws of our country, you can agree on whether the property acquired during the marriage and the property before marriage shall be owned by each other, jointly owned by each other, or partly owned by each other, or partly jointly owned by both parties. .
You mentioned the issue of compensation for extramarital affairs, domestic violence and other behaviors after the engagement, and stated that you will formally marry within three years and receive a marriage certificate. If one party breaches the contract, the other party will be compensated 100,000 yuan. These agreements are not fully legally binding.