For Marriage
You will fall into hardships and toils that will make you weary of life. Abandon it.
For Business / Deal
It is bad; you will suffer loss and damages. Abandon it.
إِنَّ الَّذِينَ جَاءُوا بِالْإِفْكِ عُصْبَةٌ مِّنكُمْ ۚ لَا تَحْسَبُوهُ شَرًّا لَّكُم ۖ بَلْ هُوَ خَيْرٌ لَّكُمْ ۚ لِكُلِّ امْرِئٍ مِّنْهُم مَّا اكْتَسَبَ مِنَ الْإِثْمِ ۚ وَالَّذِي تَوَلَّىٰ كِبْرَهُ مِنْهُمْ لَهُ عَذَابٌ عَظِيمٌ
Inna allatheena jaoo bialifki AAusbatun minkum la tahsaboohu sharran lakum bal huwa khayrun lakum likulli imriin minhum ma iktasaba mina alithmi waallathee tawalla kibrahu minhum lahu AAathabun AAatheemun
Those who brought forward the lie are a body among yourselves: think it not to be an evil to you; On the contrary it is good for you: to every man among them (will come the punishment) of the sin that he earned, and to him who took on himself the lead among them, will be a penalty grievous.