For Marriage
It is bad. You will face numerous hardships, yet they will still have expectations of you that are beyond your power. It leads to regret; abandon it.
For Business / Deal
You will gain no profit; furthermore, it will cause disputes and conflict. Abandon it, as it leads to regret.
أَوَلَمْ يَرَوْا أَنَّا خَلَقْنَا لَهُم مِّمَّا عَمِلَتْ أَيْدِينَا أَنْعَامًا فَهُمْ لَهَا مَالِكُونَ
Awalam yaraw anna khalaqna lahum mimma AAamilat aydeena anAAaman fahum laha malikoona
See they not that it is We Who have created for them - among the things which Our hands have fashioned - cattle, which are under their dominion?-