For Marriage
It is bad; many disputes will arise in life, and you will be tormented. Abandon it.
For Business / Deal
Disputes will arise, and in the end, you will be the loser. Abandon it.
وَلَوْ شَاءَ رَبُّكَ لَجَعَلَ النَّاسَ أُمَّةً وَاحِدَةً ۖ وَلَا يَزَالُونَ مُخْتَلِفِينَ
Walaw shaa rabbuka lajaAAala alnnasa ommatan wahidatan wala yazaloona mukhtalifeena
If thy Lord had so willed, He could have made mankind one people: but they will not cease to dispute.
