Relationships

My boyfriend cuddles his mum in bed.. and makes me feel really out of place, is this normal?

My boyfriends mum is really sick with chronic fatigue and had to lay in bed nearly 24 hours a day for the last 5 years at least. He goes for months sometimes without seeing her as she moved away years ago. When he sees her they often cuddle in bed, like spooning often. She’ll put her leg over him sometimes and message his arm, and they’ll fall asleep together. I find it hard to have a relationship with her and she mainly wants to talk to him anyway. It is normal for me to feel really uncomfortable seeing them cuddle? Or is that selfish? I know it’s his mum and he really loves and misses her but it doesn’t feel right seeing him in bed with someone else.. even though it’s his mum! It just feels like I shouldn’t go when he visits her even though I want to support him and try have a relationship with her. Part of me also is angry at her for leaving him with his dad and moving away all of those years ago.. are all of these feelings selfish or normal? I’ve tried talking to him about it the other and and telling him it makes me feel uncomfortable but he still did it after telling him how I feel. Should I confront her about it? What should I do?
My boyfriend cuddles his mum in bed.. and makes me feel really out of place, is this normal?
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