Does he own his own house outright?
Well, saving money for himself is one thing.
He can control that.
But what about if he's asked to contribute to a house and family?
To me it sounds like he's go no ambitions in life other than to avoid challenging himself.
I get that yeah give up horrible job but most people want 'something' from life other than tootling around coffee shops, the cinema and art galleries. Esp at age 50.
He's saved up money so he can live off that frugally and avoid responsibilities.
He can to to museums when he's 65.
Does he do any voluntary work?
What does he want from a relationship long term? I think that's a question to ask. He's on the Dating Apps for a Reason.
Now some public servants retire at 50 because they might have started work at 18 in a place. Especially if it's a very stressful job like A&E nursing or prison officer.
Has he a good pension?