Gen was absolutely delighted.

"Wouldn't you normally say, that you didn't care one millimeter about my career, Senku-chan?" Gen asked, teasing a little. He got in close, but didn't touch, merely ... well he couldn't loom, they were basically the same height.

"I'm touched, my dear," Gen fully expected to get a marker scribbling over his face, soon. "Moved. Here I thought, I was admiring you before we even met, and yet all this time, you had thousands of years on me ..."