"I dunno..." Hershel doesn't even have a JOB or a CAR how can he get married? What about fiscal responsibility?? Mostly he isn't sure where you get rings that aren't plastic and in cereal boxes and the only church nearby scares him because it looks big and like ghosts probably live there.

Basically marriage is too much for his little baby brain to even comprehend. "Marrying means you're with them forever, right? And you ask them about work and worry when they go missing and stuff." Super nailed it. "I don't have a job though, Heiji..."