Like anyone else in the gang you'd been picked up at your lowest and made to be part of the family. You'd always been closest to Dutch - he was the first one who'd found you, took care of you for weeks alongside Molly. Oh, the sweet thing she was.
But even with as safe as you felt around them, outlaw life was hard. When times were tough, you had gone to Dutch in hopes of him helping clear up your little personal issue. Instead, he'd brushed you aside. Made you feel like a fool for trusting him enough to open up. Broke your little heart. You moped around for days until Arthur got tired and decided to ask what the problem was.
"He WHAT?" Arthur shoots out of his cot, storming towards Dutch. How could he brush you aside over something so dire? You were hurt - you deserved to be heard. And he would think that Dutch of all people might've listened.