[toomuchtodo]

It is, for handling assets.

It starts to break down for child custody as well as medical directives, end-of-life decisions, hospital visitation. You also don’t get marriage related tax benefits or the ability to hold title to real estate or financial accounts as “tenants in the entirety” (which is permitted only in some states, solely for married couples, that protects joint assets when only one person has claims against them), which is important depending on the creditor laws of your state and how they handle claims against a member of a multi member LLC.