Because I believe him

  "Why would I do as you say? I am not your child to do things as you say and come on, I know with whom I should talk or not."

"That guy is a bloody murderer. He is trying to use you and you are giving every chance to him to be close to you. Or did his magic played so well on you that you forgot what you are doing." he said keeping his voice the same, spreading echoes to the parking lot.

"I thought you changed. Well I was wrong." Sam said in low voice as she faked a smile.

"I was trying to be good to you, trust you, but all you do is care for him.  "