You may want to check the research on this. The book escapes me, but I remember there being mounting research that says in general, long term stressors make you weaker, not stronger.

_What Doesn't Kill You Makes You Weaker_

https://www.psychologytoday.com/blog/insight-therapy/201008/...

"Developmental research has shown convincingly that traumatized children are more, not less, likely to be traumatized again. Kids who grow up in a tough neighborhood become weaker, not stronger. They are more, not less likely to struggle in the world."

You're probably successful in spite of, not because of, the circumstances of your upbringing.