He's the first guy who made her heart beat crazily.
He's the first guy whom she's always thinking daily.
He's the first guy who made her feel butterflies in her belly.
In summary,
He's her FIRST LOVE.
But....
He's also the first guy who broke her heart.
He's also the first guy who made her cry.
He's also the first guy who let her know what love truely is.
In summary,
He's also her FIRST HEARTBREAK.