"I always think of those left behind, fondly." Senku clarified. "I'm not mourning them because they're alive, and I trust they're doing well. The longer I'm gone, the more I'm concerned, to a point." He sighed at that.

"There are a lot of things I was responsible for and I'm not entirely sure how they would react if they found my non-traveling self. I suspect things might have become delayed." He didn't even mean for sentimental reasons.

"But these kinds of things make me think of my dad, since he's gone and I won't see him again."