For Marriage
It is bad. Do not be deceived by appearances; people's outward appearance differs greatly from their inner reality. Abandon it.
For Business / Deal
You will encounter hypocritical people, and if performed, you will suffer a massive loss. Abandon it.
وَأَنَّا مِنَّا الْمُسْلِمُونَ وَمِنَّا الْقَاسِطُونَ ۖ فَمَنْ أَسْلَمَ فَأُولَٰئِكَ تَحَرَّوْا رَشَدًا
Waanna minna almuslimoona waminna alqasitoona faman aslama faolaika taharraw rashadan
Amongst us are some that submit their wills (to Allah), and some that swerve from justice. Now those who submit their wills - they have sought out (the path) of right conduct: