You can’t trust him and he doesn’t see the need to be truthful. That’s where this starts and ends. You have legal rights which are enforceable, so stop negotiating with him, it will be a failure. You collect all the information available to you, you keep it somewhere safe, you don’t disclose any of it to him, and you arrange to see a family law solicitor who specialises in £ dispute cases asap. He or she will inform you about the process of protecting YOUR share of the matrimonial assets. I repeat your share under the Law, and that will be considerably more than his interpretation of justice. He’s treated you like an indentured servant and don’t sugar coat it, he’s a rat, and until he realises that you’re not going to be passive about his lies and deceits, he won’t take any of this seriously, and he will try and bully you into submission. His family have colluded with him, because somewhere along the line he thought stealing from his wife was ok, so I repeat, gird your loins, get mad and think wisely. This isn’t about being liked, or what will the kids think, this is about right and wrong on a massive scale. He’s stealing from you, remember that, it’s incredibly immoral behaviour. If he was your business partner, you’d be calling the Police. The courts require FULL disclosure of all £ information and it also has the power to injunct people so as to protect assets, and to injunct third parties not to dispose of assets, so don’t waste time, strike whilst the iron is hot, and whenever the BS of his justifications becomes too much, don’t reason or argue with him, ignore him and don’t give anything away. Silence is your weapon, and if he lays a finger on you or threatens you, you have the right to apply to have him removed from the house….and always log any threats etc with the police. Good luck.