I would agree with this take but there's still a point about why I worded it the way I did. I thought about wording it differently (e.g., a person will behave

I would agree with this take but there's still a point about why I worded it the way I did. I thought about wording it differently (e.g., a person will behave professionally until ...) to help illustrate that but the way I chose to word it also helps to illustrate the perceptions of the other individual: it seemed very much that they were professional until their behavior changed.