After watching Ashu's self talk and seeing how their behavior is so unbecoming of both ashu and nidhi, this is the song which came in my mind... lyrics are apt for this situation, i felt
Waqt ne kiya kya hasin sitam..
tum rahe na tum, hum rahe na hum...
bekarar dil jis tarah mile..
uss tarah kabhi hum judaa naa the..
tum bhi kho gaye, hum bhi kho gaye
ek raah par chalke do kadam..
From an old movie- Kagaz ke phool