[Izuku does that a lot sometimes. When he's hyperfocused on one thing or another he forgets normal human functions like eating.]

Ah! Well... I was hoping to make an addition to our cottage soon. I wanted to add something like a greenhouse to the side or maybe an alchemy study so I don't take up so much room inside... I know my books can get in the way.

[He looks thoughtful again.]

I was hoping to plan out some construction. Would you like to help me with that?

[Like... maybe blasting a wall down..... Maybe.]