Evolution?

Not going to lie, when I hear about something "evolving", the little kid in me thinks of Pokemon.

I often find myself thinking about the Theory of Evolution and Charles Darwin.  Why?  I'm not too sure.

I'm not sure if I fully believe this theory..

Yes, I believe that some species are the way they are due to evolution.

But I don't think that us as humans were "evolved" from primates.  Evolved from some state, yes, because humans aren't how they were a long time ago.

If humans were supposedly evolved from primates.. why are there still primates in existance?

That question is often raised, but what I want to know is If humans went through evolution, why haven't we changed massively and have records of it?  Will we go upon more transformations from evolution?

I think Darwin liked the idea of humans evolving from primates, because it formed an answer to how we were created.  But I don't quite understand how people 100% believe this theory.  Even people that I know that don't even practice a religion don't believe it fully, yet people say I don't believe the theory because of my religion.

I DO think that things evolve into other creatures, but I don't see how us humans come into play.  Most evolution comes to help the living things adapt to the ever-changing environment.  

If we did evolve from primates, why aren't we still evolving?  Is it because we can change society to fit us so we don't have to adapt to the changes?