While I think that tragedy and suffering can make you into a man, I think it can also have the opposite effect.
Without getting to into it, I can say I had my father contract cancer and move away from me when I was six, and my three best friends move away in the space of a year - one friend died when I was five or six, so they weren't the first encounter I had with loss. Growing up, I was a minority in school, and always felt the part - I had only violent relationships with my sister, constant fighting with my mom, and at about the age of 9 or 10, I - in large part - stopped going to school; I just refused to go.
When my dad died when I was twelve, in some ways, it was a relief because I could just let go of some childish belief that I'd somehow, someday, have him in my life again, but the relief just bred cynicism with the world, not a true understanding. Now mix in problems with alcohol starting as a teen, a bit of trouble with drugs, crashing my mom's car the first day I got my license, and all the pains of adolescence, and this is where I'm at - I've grown to understand my pain is unique to me, and I should honor and respect it, but truthfully, I don't; every time I try to analyze my life and come to grips with it, I think I'm a pussy who's never had real hardships, and that I should just be grateful I had a family at all growing up... I know I shouldn't try to hide from these things, but I think it might be easier to just run from them then it is to deal...
To answer the original question, I think I've always been, and am still, half-a-man.