London: Pop star Justin Bieber says he put his "everything" into his relationship with songstress Selena Gomez but feels they tried to be too serious too quickly.


Justin Bieber and Selena Gomez. Pics/Santa Banta

The 21-year-old "Boyfriend" hitmaker called it off for good with the "The Heart Wants What It Wants" singer in October last year following an on-and-off relationship.