An improper romantic relationship could develop within the congregation. Consider this true - life example.
١٣ كَيْفَ يُمْكِنُ أَنْ تَنْمُوَ عَلَاقَةٌ خَارِجَ نِطَاقِ ٱلزَّوَاجِ ضِمْنَ ٱلْجَمَاعَةِ ٱلْمَسِيحِيَّةِ ؟‏