Well, you are right
I am wondering what sort of breeds or species of animals we would be if we did not have brains
But it great we did because as you said, it helped us questions the happenings around us
And this is proof that we are humans, and it is reflected in our tastes, abilities, and interest, which of course if different from one human to another
Exactly :)
It's such an interesting thing to think about, using our brain ;) haha