Elena kissed him back, relieved that he was being gentle with her for once. She knew it would be dangerous for her not to kiss him back, but she could almost tolerate showing him her unwilling affection as long as he was gentle with her.
When he told her to get on her knees, she knew where this was going. He knew she hated doing this. It was so degrading, so disgusting! But she was trying to come off as obedient for now, so she had to do it. She wondered if she should wait for his command or assume she knew what he wanted. Either way could be a trap. Either way could end up badly for her her. Still, she decided to wait for his orders. It was the safest way to go.