Shared ground
Paul describes the problem between himself and the Corinthians as a relational narrowing, not a lack of honest communication on his side. Explicitly, he says his speech has been open and his inner posture has been widened toward them. He also explicitly denies that he and his coworkers are the ones “crowding” the relationship.
The key images work together: an “open mouth” points to candid, direct speech; an “enlarged heart” points to generous inner room for another person. “Restricted” suggests being cramped or pressured, while “affections” points to their inner responses—how they feel, what they are drawn to, what they have room for.
Where interpretation differs
Some readers take Paul’s “open mouth” mainly as emotional warmth (he is telling them he cares). Others hear it mainly as frankness (he is telling them he has held nothing back in what he needed to say). Most readings combine both, but they weight the emphasis differently.
There is also some difference over what “restricted by your own affections” most directly refers to. Some understand it as suspicion or guardedness toward Paul. Others think it includes divided loyalties—competing attachments that keep them from fully welcoming him.
Finally, “I speak as to my children” can be heard either as primarily tender intimacy (family-like bond) or as a way of claiming moral authority to ask for a reciprocal response.
Why the disagreement exists
Paul uses compact metaphors rather than listing the specific behaviors behind the distance. Words like “affections,” “restricted,” and “be enlarged” are vivid but not highly specific, and the letter’s broader tension (questions about Paul’s credibility, influence from critics, and fractured trust) leaves more than one plausible concrete scenario.
What this passage clearly contributes
This unit contributes a clear picture of what Paul thinks healthy relationship in ministry looks like: mutual openness that matches honest speech with a genuinely spacious inner stance. Explicitly, Paul claims he has made room for the Corinthians and asks for a corresponding “widening” toward him, using a parent-to-children comparison to frame his right to appeal and the closeness he assumes.