AITAH for considering breaking up with my boyfriend after he said he’d have multiple wives?

I’m 25F and I’ve been with my boyfriend, 27M, for about a year and a half. Things have mostly been good. He’s ambitious, disciplined, and very focused on building a legacy. He talks a lot about being a provider, setting up generational wealth, that kind of thing. I’ve always admired his drive.

Recently we started having more serious conversations about the future. I told him I want kids someday, probably two, and I’d want to space them out. He got really serious and said something along the lines of, “Two kids won’t even replace us biologically. I want more than that.”

I didn’t think much of it at first. Some people want big families. But then he said, very calmly, that if it were socially acceptable, he’d consider having multiple wives. Not for love, not for emotional connection, but strictly for “biological efficiency.” So he could produce more children faster and leave behind a stronger legacy.

He even said I’d be the “main wife,” and others would just help with the workload of pregnancy and child-rearing. Like we’re operating a baby factory. I was stunned. I asked if he was joking, but he was completely serious. He said it was just a logical, biological approach and that I shouldn’t take it personally.

Since then, he’s been sending me articles about population decline and talking about how most women “lack vision” when it comes to legacy. I feel like I’m not being seen as a partner, but more like a role in his grand life plan. Like a womb with a name.

I haven’t broken up with him, but I can’t stop thinking about what he said. It just doesn’t sit right with me. Some of our mutual friends say he’s just “thinking big” and that I shouldn’t take it so literally, but I don’t know. It’s making me rethink everything.

AITAH if I left over this?