Base Game Suggestion- Choose last name opition after marriage
Hello! I honestly believe Sims 4 should already have different options for sims to choose their last names after marriage. Sims should decide if they want to keep their last name and have their spouse change it, change their last name to have the same name as their spouse, or have no change at all. It also fits with the theme of The Sims 4 Lovestruck Expansion Pack. Hopefully, EA will give us this option in the future.
@Zhongven01 you have control over that in your game already. All you need to do is go into Create a Sim via a mirror or dresser using Change Sim and alter their name after marriage. In Manage Households you can also edit their family name for their household as well.
I usually add a hyphenated name for my Sims after they are married. The box in CAS could do with being a little larger though to fit longer double barrel surnames after marriage. But you can at least change the name at any point if you want.