She was able to see things in him that no on else was able to see, because they knew of his past, they knew of what he was to do if he should ever go back... Yet... She didn't.
When she leaned in and kissed him, he sucked in a sharp breath through his nose. His arms wrapped around her, his hand cupping the back of her head gently. He kissed her as if he might not see her again once he walked out that door.