Socks will grow up and calm down. My parents' new kitten laps the bedroom every night, pisses on slumbering DF and settles down to kip on DM's face at 3am prompt. It's getting better tho'.
Paper that's really sad to read. It's not your fault, and you know it. Maybe not theirs either, but there comes a point when that's no longer important for now. So many adoptions are 'disrupted'. Loads of families, all made up of perfectly ok individuals, can't cope with each other at close range.
You've supported the girls through the crucial years. No one can ever take what you gave them away. Ever. That matters the most. Now they're independent, if you're all better being apart, so be it.
Do something next week re GP to conserve your own health.