Changing Minds and Broken Agreements

Together 4 years. Late 20s. Going in, we both initially agreed to not have

kids. I had a vasectomy recently. She recently sat me down and said

that she wished I had waited to get a vasectomy because she's been contemplating wanting

a child for a few months. This basically led to an argument, mostly me saying

that I felt betrayed, we both initially agreed to not have kids, etc. She should

have told me the moment she started contemplating it. She said that she's allowed to change

her mind, but I said that I don't have to accept it. She said that we

can talk in a few days, but I said that she only wants to talk to try to change