Jim wouldn't push too much but he's curious and this place is...different. He doesn't have Bones or Spock here to tell him what an idiot he's being.

"Nah. My day job is as captain of a Starship." There's a certain earnestness to Jim's expression, yes, he's hoping that Sol will be impressed. If not, well, he's still amused at the idea of being called a knight in shining armor, even sarcastically.