very :as an adjective, it is used to emphasize an extreme point in time or space
"From the very beginning of the book..."
"At the very back of the skull,..."
- At the very beginning, I love her eyes!
I think you mean, "Well, to start with, I love her eyes. And I love her smile. And I love the way her hair..."
"At the very beginning of our relationship, I just loved her eyes. But the more I got to know her, the more I grew to love her as a person."
I am very much like you!
- She is very beautiful!
This is using 'very' as an adverb, and emphases that she is not just beautiful, but beautiful to a high degree
I am much like you : I am like you in certain ways, there are some essential similarities between us.
One can say " I am much like you in that regard. I prefer spending my leisure time in quiet pursuits also."
I am very much like you : I am like you in many many ways - I am like you to a high degree. We have a lot in common.