11 painful things..
1.bring back the feeling you've learned to forget
2.reminiscing the good times
4.loving someone who loves another
5.having a commitment with someone you know would not last
6.shelding your heart to love somebody
7.loving a person too much
8.right time at wrong time
9.taking risk to fall in love again
10.accepting that it was never meant to be.
11. 'what if'

~Unknown