You tested it, i doubt you authored it. A paternal twin can have one with good impulse control and another who's more instinctual. Even in the same family and upbringing.
You tested it, i doubt you authored it. A paternal twin can have one with good impulse control and another who's more instinctual. Even in the same family and upbringing.
> A paternal twin can have one with good impulse control and another who's more instinctual. Even in the same family and upbringing.
Sure it happens, but it's unlikely.
It's why kids from certain cultures achieve better academic success on average than kids from other cultures, on average: the environment matters a lot.
At the end both will have to live in same society, and this society will not care whats their background and issues. Perform as expected and get reward, or otherwise not so much.
Everybody can be taught some degree of behavior even if it may require different amount / type of effort, I refuse to believe it ain't true apart from most extreme cases.