Is it normal for an 80 year old man to have never left home and still live with his mum who's 101?

I heard a story about my grandpa's friend who lived with his mum until he was 80 and she was 101. She died, he inherited her house and lived in it by himself until he died when he was 88.

Yes, it's normal to live with your mum until you're 80.
No, it's not normal to live with your mum until you're 80.
Select gender and age to cast your vote:
Is it normal for an 80 year old man to have never left home and still live with his mum who's 101?
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