My brother prioritizes his wife over me.

Tbh, i don't know how exactly i should feel about this. But my brother used to be so close to me and always looked out for me. But ever since he got married, i feel like he's turned into a distant relative. I kept ignoring this until this happened which made both me and my parents so upset: So he moved to another city and two months after he moved, i had something i had to do so i had to go stay in that city for 2 weeks. He himself told us that i could stay with them while i'm there so my parents don't have to waste money by getting me a room (i'm a minor). So it was settled until he called us again the next day saying they have no space for me. It was obvious that his wife told him to not let me stay with them because they have only one room. But i was gonna just sleep on the couch! And her sister also keeps coming over to their house all the time and stays the night although she lives in their city. It made me feel so awful that my own fuckin brother apparently doesn't have any space for me in his house because of his fuckin wife.

Then this passed and my birthday came and he never even called to wish me a happy birthday. It's like he's completely forgotten about me! It was the first time he forgot my birthday. Every year he would wish me a happy birthday and buy me presents (he even bought me a piano for my birthday the year before he got married). I don't expect him to buy me anything bc i understand when you're married you have to save money but at least he could remember my birthday.

I don't even know what advice i'm expecting. But i'm really sad and i don't want to talk to him about it bc i'm afraid he'll tell his wife what i said and tbh his wife is such a bitch (god i hate her so much) and i'm afraid she'll turn him against me. What should i do? Do you think i'm overreacting? Is there anything i can do or should i just accept the fact that our relationship will never be the same and move on?