10 Painful Thing that I always face it :

1 . Bringing back the feelings you've learned to forget 
2 . Reminiscing the good time 
3 . Trying to hide what you really feel 
4 . Loving someone who loves other 
5 . Having a commitment with someone you know would not last 
6 . Shielding your heart to love somebody 
7 . Loving a person too much
8 . Right love at wrong time
9 . Taking risk to fall in love again
10 . Accepting that it was never meant to be