Full transcriptions can be found on JioSaavn and StarMaker .
The song you are looking for is titled "Vichhorha" (also known as "Rab Ne Je Chaha"), performed by the popular Punjabi artist Sheera Jasvir Meriya Gallach Tera Jikar Jarur Ho Mp3 Song Download
The song expresses a state where the speaker is so consumed by the thought of their beloved that every story they tell and every conversation they have somehow leads back to that one person. Full transcriptions can be found on JioSaavn and StarMaker