[Rain Man]

[Article quote]On July 18, Hittelman said, video shows Chen preparing his tea, taking a sip, and then placing a sheet of plastic wrap atop it before leaving the room.

Yu is then seen grabbing the orange bottle from under the sink, lifting the plastic, pouring a bit of the bottle’s contents and putting the wrap back over the cup, according to Chen’s attorney.[/Article quote]

It sounds like he was so suspicious that he was covering his tea in plastic wrap when it was unattended and she was still putting the poison in. That says a lot about the level of trust on his part, and the raw aggression on her part.