In a relationship, should I ever tell a man about a big inheritance I've acquired?

Both dad and I received our share after his father (my grandpa) died 5 years ago. My dad and I are both an only child. This is something I've kept private and remain on low profile.

I've been living on my own afterwards. Is this something I need to share in a relationship? Is it really his business to know this? Or not.

In a relationship, should I ever tell a man about a big inheritance I've acquired?
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