simply a genetically determine brain configuration
I sincerely doubt this. I think some people like it more in the beginning, so they get the positive reinforcement very early. But I think that what tends to happen is people convince themselves a head of time "This is hard, I'll never be able to do it" which becomes a self-reinforcing thing.
I sincerely doubt this. I think some people like it more in the beginning, so they get the positive reinforcement very early. But I think that what tends to happen is people convince themselves a head of time "This is hard, I'll never be able to do it" which becomes a self-reinforcing thing.