Maybe your Sims live in an elaborate society where the rules are different from the Western world, or you are just tired of being limited to two Sims per marriage. There is a hacked wedding arch that can be used to create polygamous marriages.
You can learn how to have more than one spouse on The Sims 2.
The option to get married in The Sims is not available to Sims who already live together. Marriage ceremonies can be staged between Sims who live together. They are part of the same family so they won't be able to interact with each other.
Every life state is available in The Sims 3. Some of the life states won't be available for marriage if the player doesn't take necessary steps.
The interactions leading up to marriage are very similar to The Sims Medieval The Sims 3. The option to Ask to Court is similar to Going Steady. If Ask for Hand in Marriage succeeds, the two sims involved will be engaged. There are three options for sims from here.
If they choose to get married here, an angel will come down from Heaven and marry the two sims where they stand, or if the sim in control belongs to either the Jacoban or Peteran faith, the two sims can marry inside their church.
The marriage will not change any sim's last name, or cause an unplayable sim to move in, it will only declare the two sims married.
Regardless of how the marriage is initiated, and regardless of the gender of the Sims getting married, the Sim whose last name both parties to the marriage will take is the one who starts the marriage. However, a program.
There is no difference between same and opposite-sex marriages in The Sims 3. When a couple goes steady, gets engaged, and finally gets married, the amount of Lifetime Happiness is the same.
The family tree of same-sex couples shows their spouse as either their husband or wife, the same as it does for opposite-sex couples.
The Sims is an event. While Sims can't get a divorce, a Sim who has married into one family can marry into another. If the partner of the Sim who is changing households has a relationship with the proposer, that relationship will fall.
If the relationship between two Sims in a family is not good, they can fight each other. The Body skill of the Sim determines which Sim wins. If the Sim who loses chooses to leave, they will never be seen again in the game.
Even though Sim weddings do not involve altars, there is a chance that a Sim could get left at the altar. One Sim will hesitate while the marriage is taking place, and then run away, leaving the other Sim behind. If one of the sims is having an affair, this could happen.