Originally posted by: Wistfulness
^ This. Notice his expressions after the utterance. Here he expressed a longing that's developing in his psyche. A longing to be loved and desired...by HER! He's jealous of her love for another man and harbors a desire of reserving her feelings of deep love for him. Had he met her before under better circumstances, maybe the bitterness between them wouldn't have existed.
Kyun dil jalaa rahi ho hum gareebon ka bajju ki dukh ki dastaan ko aise keemti nazaaqat bhare shabd dekar ...but word to everything you said ....and his reaction post this slipping out of his mouth ...bechara lut gaya ishq mein padh ke