I need to vent so I live with my mom and my fiancee and my 2 kids. Well her now bf is going to live…

I need to vent so I live with my mom and my fiancee and my 2 kids. Well her now bf is going to live with us his rn in California. And she's been single a very long time til now and well all I askee was if she was ready to start all over by tending to him etc and she got pissed off and told me off was I wrong? Man I feel like everything i say is bad