It implies that the speaker is experiencing something that is not unique to the person they are addressing. It can be used in various situations, such as:
* Expressing empathy: "I understand you're feeling down, but di lang ikaw. Everyone feels that way sometimes."
* Sharing a common experience: "We both miss our families, di lang ikaw."
* Dismissing a complaint: "You think you're having a bad day? Di lang ikaw, trust me."
The tone of the phrase can vary depending on the context, but it generally conveys a sense of shared experience and understanding.