Between Lisa's review and your reply I find myself at a loss to add too much of anything constructive. Perhaps an observation wouldn't go amiss.
This background story leads me to re-examine everything I thought I knew or had figured out about Marcus and his behavior. I have never been able to make a true connection as to why Marcus behaves as Marcus behaves. Sure home-life, experiences growing up and where you live all have a reflection in whom each of us becomes as an adult but these are all supposed things. We attach them willy-nilly to anyone that exhibits ant-social behavior. There is an underlying reality in this chapter of his life. Marcus is so very vulnerable on the inside. Everything outside of this is defense mechanism. All of it carefully, perhaps unconsciously and rationally crafted, or constructed if you will, to protect that vulnerability. After all, if nothing can get in…
I accept this to be my conjecture, that this may not be your intent to portray Marcus in such a light but this is what I draw out of this chapter.
Well done once again, Thorn.