We almost never talk about the often-subtle toxic work relationships, even though these are the relationships that dominate most of our lives.
A boundary only states what you are willing to do. The other person can do whatever they like. You’re simply controlling your own body and destiny.
If you saw it in a John Hughes movie, it’s probably not good relationship advice.
In your relationships, each person must be paying attention to their own needs, but also working to take care of the other people’s needs.