He's very dense and has trouble interacting in any normal capacity. Accept that, and take necessary actions to break through.
How can she be so eager for advances, while still being so much like an inexperienced manga teenager about holding hands?
He reminds me of the protagonist in Katanagatari. Same vibe interacting with his wife. Although there she was mostly the same, so it checked out. Except that one time she tried acting tsundere.
You're not the one lacking. He is.
Number One and Number Two are watching.
Also, I think some important details were left out here...Like how they just happened to have full-sized Rock'em Sock'em Robots now?!
Magic. I think that's the appropriate reason in this series.