Bright we do tend to overthink exchanges with them - we know them so well and we do not know the MLC person, so it is complicated. However, over time this tendency to analyse lessens. I now focus much more on understanding myself and my own responses.
His life isn't very interesting now, in all probability, and he is confused and unhappy. Remember we can't fix them,
Yes, he probably does look back to happier times, and yes, their memory is terrible. We can't get in their head and rummage around that is for sure.