Originally Posted by
exerda
Does the MM spousal benefit extend only to your wedded spouse
or can it be extended to spouse-like persons (civil partners, long-term relationship)
It absolutely can be a "significant other" but must meet
certain criteria such as "same address"
Here is the quote from the official site
"
Annual Companion Premier status"
"As a Million Miler you may invite your spouse
or significant other to share your
current Premier status. This membership is non-transferable and will automatically
renew each year unless you let us know otherwise."