He said “If I was a knight from a neighbouring country, I'd have to steal you away”, is it a sign he is into me?

Now we’re in a long distance. But not a couple yet. We talked about a historical film, then he suddenly said like that.

Then I replied
“You must be not a knight but a king, so it's gonna be like a Trojan War haha”

He said
“A king?
That's high praise I've yet to build my kingdom
But with you I'm sure I could do it”

Then I replied
“I am always ready to support you to build your strong kingdom
I just thought you deserve the word king”

Then he said
“Hahah cute
Glad I have a strong and supporting woman behind me”

And we both dig ancient stuff. What do you think guys, is he interested in me?
He said “If I was a knight from a neighbouring country, I'd have to steal you away”, is it a sign he is into me?
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