He is definitely starting to realize that his life is lonely and a mess, but he's still baking.
In most instances, the mlcer loses the former friends because they opt to distance themselves from them and yes, the former friends do become uncomfortable around the mlcer because they know that something is terribly "off" with them. Also, when the mlcer is acting out and thinking like a teenager, they are years removed from the mature adults that they use to hang out with.
He's sharing bits and pieces of his life w/you, but he's still got a ways to go. Is he telling you this stuff because he wants someone to feel sorry for him or is he actually talking about his life?
As for the lbs and friends walking away...many do because they don't know what to say to the lbs and feel uncomfortable w/the entire situation. Also, they don't want to get dragged into the middle of a situation that could become messy.
