Persuasion is the best way to describe it. Brainwashing means something different in my opinion.

[Oh, she notices the way he was looking at her right now. But Bela felt that honesty would be a good thing in this case.]

The effects are temporary and that night was the only time I when I attempted it on you. This is the most sincere she's ever been.] My pursuit of you was completely unaided by that ability.

I want to be upfront and honest so there it is.