Do you think gender disappointment is a genuine grief?

I feel you. I was so hoping for a girl for my no3. And when I found out that he's a boy, I was genuinely disappointed. When I shared my feelings with my family members, I got told off! Almost all of them said that I have to stop thinking that way cos my son will 'feel' it and know that he is not wanted. So I kinda felt abit guilty for doing that. It was an internal struggle that I had for the next month or so but I kept reminding myself not to feel disappointed and to learn to love my boy. :) I love my son to bits now cos he's just the cutest.