Did anyone feel excited initially and now they feel depressed ?

I found out last week we are pregnant with #2 and initially I was really happy. A few days passed and now I feel really sad and depressed. After trying for a year timing is now horrible. I feel like all I do is give my myself to others and as if I have nothing left as it is. I want to be happy about this baby and I’m just not. I was so happy when I was pregnant with my son and before him with the baby I lost. I feel horrible that I hate that I’m pregnant. This isn’t anything I ever imagined for myself. Am I alone here?