"Because people need help over there, and... And I can't sit over here and twiddle my thumbs and pretend they don't. I've never done. And never will do. Pregnant or not." She just wasn't that sort of person. To sit idly by while someone else suffered. Not while she was well, and could help.
"Now you have a choice you can knowingly let me go, and let me make this choice, or I'll simply wait until your gone and go anyway." She pursed her lips obstinately. "You are neither my husband nor my father, and I can promise you that I am far from needing a protector."