For Marriage
It is very bad. You will have a miserable life and will curse yourself every moment. Abandon it.
For Business / Deal
They are cunning and deceitful people. Do not do it at all.
أُولَٰئِكَ الَّذِينَ لَعَنَهُمُ اللَّهُ ۖ وَمَن يَلْعَنِ اللَّهُ فَلَن تَجِدَ لَهُ نَصِيرًا
Olaika allatheena laAAanahumu Allahu waman yalAAani Allahu falan tajida lahu naseeran
They are (men) whom Allah hath cursed: And those whom Allah Hath cursed, thou wilt find, have no one to help.
