For Marriage
It is not a suitable case for you at all and you will have a bad life. You will have to give an account for every single matter; a bitter life is foreseen. Abandon it.
For Business / Deal
You will encounter so many problems that you will regret your actions. Abandon it.
وَإِذْ أَخَذْنَا مِنَ النَّبِيِّينَ مِيثَاقَهُمْ وَمِنكَ وَمِن نُّوحٍ وَإِبْرَاهِيمَ وَمُوسَىٰ وَعِيسَى ابْنِ مَرْيَمَ ۖ وَأَخَذْنَا مِنْهُم مِّيثَاقًا غَلِيظًا
Waith akhathna mina alnnabiyyeena meethaqahum waminka wamin noohin waibraheema wamoosa waAAeesa ibni maryama waakhathna minhum meethaqan ghaleethan
And remember We took from the prophets their covenant: As (We did) from thee: from Noah, Abraham, Moses, and Jesus the son of Mary: We took from them a solemn covenant: