Not only does he recognize that playful but fond look in Senku's expression, but he also confirms how close their two worlds were - the Earth that Roland comes from, where he ruled, and the world Senku was entombed in for thousands of years. What Gen told him before; about Senku being the first one out, how it fell to him to reinvent the world from scratch.

He doesn't want to think about that right now. But he's always remembered.

"Well, you're not wrong. Food is integral in the hierarchy of needs." Though there's something to be said about currying favor versus just doing it because it was right. But Roland doesn't take it too seriously - he knows Senku is far from malicious. Just mischievous. "I guess that makes it your specialty?"