My husband and i separated in June 2021, he claimed that he didn't know what he wanted and then took some time out to think things through. Fast forward to the present day - His mistress of two years found me to tell all. I discovered that he had been leading a double life for two years. The question I have is this... During the time that he was in this relationship, he spent thousands of pounds on her, which was essentially our joint money. I understand that as soon as we filed for divorce the money, he spends on whoever is his business, but for the two years that they were together it was our joint money, therefore my question is; do i have any claim on the money he has spent? Should he reimburse me at least half of the money he has spent on her?