For Marriage
You will face disputes and conflict, and it will lead to separation.
For Business / Deal
You will face disputes and conflict. It must be abandoned.
وَلَقَدْ أَرْسَلْنَا إِلَىٰ ثَمُودَ أَخَاهُمْ صَالِحًا أَنِ اعْبُدُوا اللَّهَ فَإِذَا هُمْ فَرِيقَانِ يَخْتَصِمُونَ
Walaqad arsalna ila thamooda akhahum salihan ani oAAbudoo Allaha faitha hum fareeqani yakhtasimoona
We sent (aforetime), to the Thamud, their brother Salih, saying, "Serve Allah": But behold, they became two factions quarrelling with each other.