For Marriage
It is not a suitable case at all; it must be abandoned.
For Business / Deal
You will suffer a massive loss. Abandon it.
يَا أَيُّهَا النَّبِيُّ جَاهِدِ الْكُفَّارَ وَالْمُنَافِقِينَ وَاغْلُظْ عَلَيْهِمْ ۚ وَمَأْوَاهُمْ جَهَنَّمُ ۖ وَبِئْسَ الْمَصِيرُ
Ya ayyuha alnnabiyyu jahidi alkuffara waalmunafiqeena waoghluth AAalayhim wamawahum jahannamu wabisa almaseeru
O Prophet! strive hard against the unbelievers and the Hypocrites, and be firm against them. Their abode is Hell,- an evil refuge indeed.