The phrase "relationships are like a walk in the park" is often used with a touch of irony or sarcasm. It suggests that relationships can be challenging and complicated, despite the idyllic image of a leisurely stroll in the park.
In essence, this phrase is a humorous way of acknowledging that relationships can be filled with ups and downs, obstacles, and unexpected twists and turns. It reminds us that, like a walk in the park, relationships may require effort, patience, and resilience to navigate successfully.
While it may be used humorously, the underlying message is that relationships, like any worthwhile endeavor, can have their difficulties but can also be incredibly rewarding and fulfilling with the right attitude and commitment.