Not even a single one. The second that becomes the norm is the very second the decline of the said civilization becomes obvious and in a few generations it's completely over.

There hasn't been a single civilization that has recovered from it.

They have created fornicators and thus are dishonored.

Both are dysfunctional and lead to a decline in the said societies in which they are normalized.

They all create the same unstable marriages and in turn broken homes.