What’s wrong with me?

I am 37 weeks pregnant with my second. I love my first daughter so much. It’s unexplainable. I know I’ll love my second as well. I just feel no connection because I love my first so much. I feel like a bad mom. I feel guilty. Am I the only one? I wanted to be pregnant so bad so my daughter could have a sibling and once I found out I was pregnant I got upset because I don’t know if I can share my love.