My brother spends less time with me. What can I do?

Me and my second eldest brother would get along like a house on fire. We spent a lot of time together but i feel now we are drifting apart.

Since he met his girlfriend he spends 4 out of 7 days in her house. We barely see him. He spends so much time with her.

When we do spend time together it is very short and he immediately goes back to her. When we watch things together he always texts her. He buys her everything even stuff she never asked for.

I'd love to be able to spend more time with him. It makes me sad because we used to get along so well and i felt i could talk to him about anything.

Updates
+1 y
We watched a film together recently and my brother told me to watch the sequel. I told him i would like the company watching it, he said our mam could. I told him she is busy, he said then watch it yourself. I told him i would like to watch it with him because i had a great time watching the first film with him. He said that he watched it recently with his fiance that he didn't want to see it again. That i should just watch by myself
My brother spends less time with me. What can I do?
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