Keep my Secret (pearlmethyst fanfic)

Everyone knows Steven can't keep secrets. The kid sucks at lying. But... who else is there to go to? Garnet? Peridot? Bismuth? What sucks about having a crush that'll never like you is that you keep hoping that they will, but they never do. And only one person knows how to help with this kind of thing. Someone in a relationship.
Someone that sucks at lying.