She was lucky to begin with. He was lucky to be dealt.

There’s something off about her. I can’t explain it, but she’s slipping.

You need not think that because we chanced to be born of the same parents, I shall suffer you to fasten me down by even the feeblest claim: I can tell you this - if the whole human race, ourselves excepted, were swept away, and we two stood alone on the earth, I would leave you in the old world, and betake myself to new.
― “Jane Eyre”, Charlotte Brontë
Prodigy;
1. A person, esp. a young one, endowed with exceptional abilities.

You need not think that because we chanced to be born of the same parents, I shall suffer you to fasten me down by even the feeblest claim: I can tell you this - if the whole human race, ourselves excepted, were swept away, and we two stood alone on the earth, I would leave you in the old world, and betake myself to new.
― “Jane Eyre”, Charlotte Brontë