Psychology has developed as an independent scientific discipline more recently in relevance to our world's other assorted sciences and therefore its potential of breakthroughs is both high and intriguing.
I think you meant to type relation instead of relevance. I guess it is true that potential for breakthroughs is high due to the newness, but is it really that new? Maybe it is new as a scientific discipline, but actually it has always been around...
beyond the walls of the conformity into which I have grown.
into .
Awesome, I really like the one about your grandfather. Good choice... I wonder if you could come up with a sentence that speculates about whether this is what HE would most like to do while visiting with you. I bet it is indeed what he would like to do; but if you give a sentence that considers his thought process, it will take you deeper into the writing (or revision, in this case, if you are still working on these little essays.) Good luck, you are great!
:-)