What does "could be to get offended" mean?

Mia: This sounds like you actually have somethin’ to say.

Vincent: Well, well, I do. I do. But you have to promise not to be
offended.

Mia: No, no. You can’t promise somethin’ like that. I have no idea
what you’re gonna ask me. You can ask me what you’re gonna ask me,
and my natural response could be to get offended. Then, through no
fault of my own, I would have broken my promise.

What does "could be to get offended" mean?

"could be to get offended" means that a possible outcome of what he says would be Mia getting offended?

Source: Pulp Fiction 1994