I once knew a guy who lived with more than one woman at a time, essentially having a common-law marriage with one woman and then having a live-in girlfriend or any number of affairs. He was openly unapologetic about his lifestyle and seemed to consider it healthy, if not wholesome in some strange way.
What I was surprised to find out was how religious this guy was. Always blessed his food before eating (even at McDonalds). Attended church regularly, contributed generously, considered himself an active part of an evangelical congregation.
From a Mormon perspective this was very strange. Mormons are generally not at all comfortable having people openly live such “alternative” lifestyles in their midst. You can’t become a member of the church if you don’t renounce such lifestyles and its not particularly comfortable or fulfilling to attend church if you are not a member. Until recently the general direction from the leadership is to slow down conversion so that the church can nurture the new members so they can maintain theMormon lifestyle and remain active in the church. Baptism and conversion is not for everybody who is willing.
If you do become a member, if you openly and un-apologetically live alternative lifestyles, you are liable to be kicked out of the church, excommunicated.
Temple worthy endowed members are another even more exclusive sub-set.
For better or worse, Mormons are an exclusive club in these respects.
However, contrary to some notions within the church, it was designed to be such a club.
For example, the missionary efforts and building of the church is not really to convert the world to Mormonism, but to gather the few “elect” of the house of Israel to establish Zion and prepare for the second coming:
D&C 29: 7 And ye are called to bring to pass the gathering of mine elect; for mine elect hear my voice and harden not their hearts;
8 Wherefore the decree hath gone forth from the Father that they shall be gathered in unto one place upon the face of this land, to prepare their hearts and be prepared in all things against the day when tribulation and desolation are sent forth upon the wicked.
As well as to receive a certain new covenant and power from on high at the temple:
27 Behold, this I have given unto you as a parable, and it is even as I am. I say unto you, be aone; and if ye are not one . . .