I swear I dk if it's the pregnancy or what but I feel like my 9 yr old is the most selfish person in…

I swear I dk if it's the pregnancy or what but I feel like my 9 yr old is the most selfish person in this house. I have never had to deal with him throwing a tantrum because it's my birthday or because I'm shopping for myself since my bottoms no longer fit and my leggings are doing the most with baby number 2. I'm at my wits end