He can't help it. He's also kind of a regular magnet.

Eren's glad that he managed to make Armin forget is woes, at least for a moment. It didn't make them go away, but... it was better than being sad constantly.

And because Eren actually knows Armin's humor, he laughs. "We'd have to build a second station out here! Though once I can fly properly, I could get back and forth easily. Ah... but I wonder if my scales would rust in the salty air, huh? That'd totally suck!"