For Marriage
Although there seems to be no problem outwardly, the inner reality is something else. Abandon it, otherwise, you will deeply regret it.
For Business / Deal
You will suffer a massive loss and your credit will be questioned. Abandon it.
وَلَقَدْ جَاءَكُمْ يُوسُفُ مِن قَبْلُ بِالْبَيِّنَاتِ فَمَا زِلْتُمْ فِي شَكٍّ مِّمَّا جَاءَكُم بِهِ ۖ حَتَّىٰ إِذَا هَلَكَ قُلْتُمْ لَن يَبْعَثَ اللَّهُ مِن بَعْدِهِ رَسُولًا ۚ كَذَٰلِكَ يُضِلُّ اللَّهُ مَنْ هُوَ مُسْرِفٌ مُّرْتَابٌ
Walaqad jaakum yoosufu min qablu bialbayyinati fama ziltum fee shakkin mimma jaakum bihi hatta itha halaka qultum lan yabAAatha Allahu min baAAdihi rasoolan kathalika yudillu Allahu man huwa musrifun murtabun
"And to you there came Joseph in times gone by, with Clear Signs, but ye ceased not to doubt of the (Mission) for which he had come: At length, when he died, ye said: 'No messenger will Allah send after him.' thus doth Allah leave to stray such as transgress and live in doubt,-