Boundaries can best be described as imaginary lines that separate you from other people. These are guidelines, rules, or limits that you create to separate your identity and worth from others. Your boundaries convey how others can treat you. What is okay and what is not okay. And what you will and will not tolerate. And I imagine that there are people you respect because of their ability to set boundaries. They’re not afraid to say no, and they do it in a way that you admire and wish you could do for yourself.