My impression is that you accept evolution to a point. I think you reject that humans evolved from lower life forms, but grant that the animals may have evolved. Collins demonstrates quite conclusively that we too are animals and that we evolved from the primates. One point that stands out in my mind is his evidence that mice and humans have a common ancestor. There is no getting around the genetic evidence he sets forth. I found it really fascinating.
I can walk outside when its raining and see and feel the rain. I know it sometimes rains. I know with certainty that it is roughly composed of the same stuff that comes out of my kitchen faucet. It's roughly the same stuff I might find in a river or lake. We call it water. I know it exists.
I have never seen anything evolve...not ever. I have never seen a gene. I have never seen a DNA molecule. I will admit I might have seen photographs of DNA molecules, but I certainly can't be sure. In order for me to believe in evolution, and in genes and the DNA molecule, I must rely on the word of those who claim they actually exist. And I just don't trust people as much as I trust myself. So I will not be 100% certain that evolution takes place, unless I can see it happen with my own eyes. I must experience it for myself to be certain, well, certain enough to say I know for a fact its true.
I know, we can't even be 100% certain that what we experience ourselves is accurate and true, but we have to start somewhere. And I trust me more than I trust any other person in the entire world. So I say evolution may be true. And that's all you're gonna get from me until I see it with my own eyes. But you know...it's not all that important to me. I have accepted that it might be true, and it does no harm to my faith in God at all.
I'm glad your friend has evidence that mice and humans have a common ancestor. I can't say that. Maybe it's true, maybe it isn't. There is a lot of science that fascinates me as well, but it doesn't mean that I believe it 100%.
I have no problem with the idea that human beings evolved from lower life forms either, if it should be true. As I said...it doesn't matter to me...it does no harm to my faith, and I can easily squeeze it in to that which was written in the Bible, which I do believe is true. Now, I am not 100% sure that everything in the Bible is true...no one can know that. But I do know that God exists. Because as I said, I trust my own experience over the word of anyone in the entire world..and I have experienced God for myself. Now I know could be wrong...but I would bet my life that I am not.