Mother Nature

Hi, I've just been thinking about humans...
I like philosophy, I do it in my spare time.
I actually got this idea from a book, as in the book started me thinking about it. Everything we do has a reason for it. Mainly, survival.
For example, we love lollies. Most of us, anyway. I think nature thought it was GOOD, because we get fat and we get energy. Nature also thought getting fat was good, too, because we had a lot of stuff to draw upon when we don't have much food.
There's also hating bugs. That's because many of them are poisonous, and nature would NOT like us taking a chance and accidentally getting killed. Of course, butterflies are pretty, AND they're harmless.
Most other things we can attribute to survival as well, eg. fear of darkness (monsters) etc.