[ There's a moment of debate as he considers Sasuke's offer before he heaves a weary sigh. ]

No, I'll keep them. Trust me when I say that eating these things are the last thing I want to do but there must be a reason these are here.

[ He doesn't want to need them but Nico would rather have them at hand if he does need them than to not. Maybe Nico has these things still because they aren't really useful, mostly just sentimental. The seeds go back in his coat pocket. ]

Literally, a jar. Not one that could just be smashed either.