Never wanted to be a MOM

So we all know that babies and everything that comes with them is a blessing but what do you do when one of your friends who never wanted to have kids and no one as well as themselves didn't think they would be good with having kids. Well she had her first baby about a year ago almost and she's basically turned into a "crazy mom" she kind of does the whole "until you have a child" talking to everyone and speaks condicendingly. You know she was so different before she had a baby and now her baby is the only and i mean only thing she thinks and talks about. I'm not trying to be mean and I love kids but what happened to my friend