AITA for leaving my husband after I found out he had been secretly living with another woman for years?

I (32F) have been married to my husband, Daniel (35M), for eight years. We met in college, instantly connected, and after a two-year courtship, we got married. Our life seemed perfect: a cozy home, two kids (Ella, 6, and Lucas, 4), and what I thought was a loving, stable marriage. Daniel worked in marketing, and I ran a small online consulting business from home.

For the first few years, things were wonderful. Daniel was attentive, kind, and supportive. We traveled, celebrated birthdays and anniversaries, and spent time with family and friends. I never suspected he would betray me in the way he did.

About a year ago, I started noticing subtle changes. Daniel began coming home later than usual, often citing “extra work” or “client dinners.” He became protective of his phone, changed passwords, and took calls in private rooms. At first, I thought it was work stress, but then I began to notice inconsistencies in his stories. He would mention trips I hadn’t known about, meetings that didn’t exist, and sometimes would forget details about our family events he had promised to attend.

One night, while Daniel was at a late meeting, I found an unopened envelope addressed to him in our mailbox. Curious, I opened it. Inside were photographs—Daniel with a woman I didn’t recognize. At first, I thought they were just colleagues, but the photos were clearly intimate: dinners, holidays, even pictures of her at his house, in rooms I recognized as parts of our home. My hands shook as I realized the truth: Daniel had been living a double life for years.

I started digging and discovered messages and emails showing that Daniel had been secretly supporting another woman financially, renting her an apartment, and spending nights with her under the pretense of business trips or late work hours. The woman, Clara (33F), had been aware of his marriage and children, but Daniel had manipulated her into believing their relationship was special, secret, and exclusive.

I was devastated. My mind couldn’t process the betrayal. Every memory I had of Daniel—the vacations, birthdays, quiet nights at home—felt like lies. How could someone I trusted completely be living a secret life, forming an emotional and physical connection with another woman for years? I felt humiliated, angry, and broken.

I confronted Daniel the night I discovered everything. He initially tried to deny it, claiming I had “misinterpreted things,” but the evidence was undeniable. He admitted to the affair and the secret financial support, saying he had “fallen into it” and “didn’t know how to stop.” He begged me to forgive him, promising he would cut ties with Clara immediately and focus entirely on our marriage.

I was heartbroken and enraged. His explanation felt like a slap in the face. How could he continue deceiving me for so long, lying about work, and pretending to be a loving husband while secretly building another life with someone else? The emotional toll was unbearable. I couldn’t sleep, eat, or focus. I cried every day, feeling like my life had been a lie.

I also confronted Clara, who seemed unapologetic. She said she had “fallen in love” with Daniel and that he had told her his marriage was “strained,” justifying her involvement. The arrogance and lack of remorse only deepened my anger. She had knowingly participated in destroying a family for years.

After weeks of sleepless nights and soul-searching, I realized I couldn’t continue this marriage. Staying with Daniel would mean living with constant fear, doubt, and betrayal. I asked him to leave, began the process of separation, and secured legal advice to protect my children and our assets. Daniel begged me to reconsider, claiming he could repair our marriage, but I knew that trust broken for years could never be fully restored.

Friends and family were divided. Some said I should forgive him for the sake of the children, while others told me I did the right thing, as betrayal of this magnitude is unforgivable. Months later, I’m rebuilding my life independently, focusing on my children, my business, and learning to trust again. The pain remains, but I know that stepping away from the deception was the only way to protect myself and my family.

So, AITA for leaving my husband after I discovered he had been secretly living with another woman for years, hiding a life behind my back while maintaining the facade of a happy family?