I've been living with my boyfriend for about a year and a half of our 2 year relationship, first in my flat, for just a few months. He paid half the mortgage but no bills (it was just 3 months and the subject never came up). Then we were away for 6 months and split everything. We came back to live in his flat - mine is let out. I have always paid half the mortgage (even when he went onto default rate because he was too lazy to sort out the new one in time). I pay for most of the food because I cook every night (waitrose opposite - v. dangerous). I pay all the utility bills. He pays the internet and he SAYS he pays the council tax but he never told them I moved in so basically he's only paying what he would have done and I'm essentially exposed to prosecution for being a vile scammer which I hate. We always argue about money. Yesterday he said I should also really, if I could, pay half the building's insurance and maintenance fee on the flat (I pay these on my own flat, but of course it's let out - at a profit). Its re this last issue I would like your various opinions. As a live-in girlfriend, should I pay things like maintenance charge and building's insurance? It's £450. I'm freelance and work is bad. He's quite well off.
I'm aware this is a rather dry AIBU so I will add that we am 3 months pg with no. 1, age 41, conceived via IVF donor sperm (hereditary reasons) which I paid 9K for myself (no complaints here, money well spent).
So, AIBU?