In fact, it was quite the opposite. Virtually all of them who lost companions were reluctant to talk about it....
I couldn't tell you what your buddies experienced - everyone has a different aspect of their war. I served in combat for 17 months and spent the next year recovering from a nearly fatal wound.
Very few people have experienced what I have and lived through it.
Hence, I find all the "feel sorry for me" crap useless.