No is a complete sentence.
It seems that we are wired to test the limits. To see how far we can go, discover our capabilities, and challenge ourselves. When pushing ourselves to master a new skill, learn a new language, summit a taller peak, or stay in a difficult conversation, stretching ourselves and pushing past previous boundaries is a necessary part of the growth process.
It also seems that we are wired to test the limits of boundaries not meant to be crossed. To do it our way and others be damned, pushing in where we haven’t been invited, offering unsolicited advice, or to see what we can get away with.
While It’s up to others to respect our boundaries, it is up to us to establish them.
To reflect more, check out an earlier post on boundaries: