yup-i went through some of what you've described-and worse-except i was 42 at the time.had to start my life all over again.
that was 5 years ago,and i'm still struggling,and sometimes i wonder why,i just want to bury my head in the sand and give up.
but i need to finish my projects first.then i'll bury my head,unless i start more projects.
i guess what i'm trying to say is that life will kick you in the nuts whenever it gets the chance.all you can do is learn from it,so you know when to dodge it.
there's no magical point where everything just goes easilly.my dad is 71,and he's still going through this type of stuff too.