When it comes to boundaries and consequences in recovery and healing, what is “my side of the street vs. his"?

In this episode, Mark and Steve address what can often be a confusing topic for couples—when it comes to recovery, healing, boundaries and consequences, what is my side of the street vs. his side of the street? How do I know when I've crossed the line? Here's a question sent in by a PBSE listener about this challenge—Guys, do you have anything to share for those of us unsure of when we should be staying 'on our side of the street'? I'm hearing it but I can't make sense of where the line...