Kim KardashianIt looks like Reggie Bush and Kim Kardashian have called it quits. But why? In an exclusive story given to PopEater by Life & Style, the magazine digs deeper into the end of their relationship.

After spending a few days in Costa Rica in early March, the couple realized it wouldn't work out, according to sources.

"It was a make-or-break vacation, and things just didn't work," the insider tells Life & Style.

More Exclusive Details After the Jump!