She'll come to figure out soon enough that her husband is a 'do what I say, not what I do' kind of guy. Just one of many horrendously unendearing qualities about him. Hopefully in time she'll find a few redeeming things she can put up with at least...

cant leave
if you get caught theyll hurt you

He might not be telling her everything, but he's not being deliberately vague either. He just doesn't want her to get hurt. He doesn't want anyone in this town to get hurt.

i didnt mean to hurt you

Just in case she starts thinking he's part of whatever grander conspiracy is at work here. He did pull a knife on her after all.