For Marriage
it will lead to quarrels and conflict. Abandon it.
For Business / Deal
You will lose money and run into trouble. Abandon it.
مَّن يُطِعِ الرَّسُولَ فَقَدْ أَطَاعَ اللَّهَ ۖ وَمَن تَوَلَّىٰ فَمَا أَرْسَلْنَاكَ عَلَيْهِمْ حَفِيظًا
Man yutiAAi alrrasoola faqad ataAAa Allaha waman tawalla fama arsalnaka AAalayhim hafeethan
He who obeys the Messenger, obeys Allah: But if any turn away, We have not sent thee to watch over their (evil deeds).