Does pain help you grow if you resist it and fight it?

My cousin worked 14 hour days and became a successful business owner and her neighbour cut herself in her teenage years because of low self esteem and verbally abusive parents and she would cry during her first training shift at work but now she has a PhD and her husband has PhD and a degree in law and she is a house wife because he makes so much money. The ones in my circle that succeeded sacrificed and suffered and it did not come for free. The ones who had easy lives went to community college or low tier schools, even if they were very intelligent.

Does pain help you grow if you resist it and fight it?
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