What's the Name of That Book??? discussion

Protagonist is a woman with a child and she is a physiotherapist recently divorced with a lot of debt. She has to move into a smaller house with her son because she cannot afford rent. She struggles as a single mother. Father of child put them into financial debt. She starts finding ways to make more money and meets a married rich man at a family or friends house. He starts asking her to spend time with him in exchange for money. she eventually accepts. Further into the book the man admits his feelings for her at party with wife present. I read this book in 2021 but I can not remember the title at all! I appreciate any help!! Thank youuuu

The Mistake I Made by Paula Daly?

Angela wrote: " The Mistake I Made by Paula Daly?" Omg! Thank you so much!!!!! You made my day <333