Anders wanted to hug her because he could see she was as worried as he was, but she was probably right, bad idea. He wanted to kiss her because he didn't think he'd ever get another chance and it had been nice. Part of him worries that Hawke would say she didn't want Anders around Merrill ever again and that scares him more than the idea of violence.
"Right. Hugging would be a bad idea." He agreed. It would be fine. It would all go back to normal and Merrill and Hawke would be fine, and he would be here. Alone. Back to normal and fine.