Why do our interests change over time?

We think we know ourselves better than anyone else.
>> CORRECT

But in fact, we live without knowing much of ourselves.
>> But in fact, we live without knowing much about ourselves.

In college, many people change their major because they don\'t have a right major.
>> In college, many people change their major because they don\'t have the right major.

As we get older, we get to know more about the world, and our view of the world becomes wider and wider.
>> CORRECT

We meet a lot of good people that we didn\'t know, and we experience a really good world.
>> We meet a lot of good people we didn\'t know before, and we experience a truly good world.

We later discover that much of what we were so obsessed with in our youth is actually not very important.
>>CORRECT

Getting older makes one wiser.
>> CORRECT

Getting older is not a process toward death, but a process that is becoming more and more mature.
>> Getting older is not a process toward death but a process of becoming more and more mature.

Eventually, as we get older, we get to know ourselves better, what is more precious, and what must be achieved.
>> Eventually, as we get older, we come to know ourselves better, understand what is more precious, and realize what must be achieved.

These are the reasons why our interests change.
>>CORRECT