His plan was set before he could even attempt to fight it. To long had he fought his instincts that he was now helpless to comply. He would find a way to get her from her traveling companions. Away from his brother.
He would offer her a deal. A bargain. Help him, and would help her.
While doing that he would show her. Tease her. Coax her. His hope ultimately resided in prolonged exposure awakening the bond in her.
Surely, even with her being human, she would notice something. A stray thought. A brush of his emotions. A tug. A pull. Something. He could only hope.