My ex sent a fully annotated invoice to me and copied in most of my immediate family, ie parents, aunts, uncles etc.
He had charged me for;
travel before we moved in together.
childcare (if he had on the odd occasion had dd without me present)
alchohol and taxi fares (from the very occasional nights out we had had.)
Clothing (from the very occasional nights out we had had)
Toys for dd (from christmas/birthdays when we had jointly bought her presents.)
Gifts (my birthday and christmas presents)
Personal injury (when he threw dd and I out he put his back out taking my things to the dump)
Emotional distress (apparently I had scarred him for life by refusing to go ahead with the "surprise" marriage ceremony he had arranged therefore leaving him no choice other than to dump me and force dd and I to move out with nothing but a few clothes and dds toys.)
He also called my mum on Christmas day to tell her I hadn't got him a christmas present and to let her know that I had stolen money from his family and she should think about disowning me.
I still think fondly of him even now.