Striving – if you learn how to play chords, then you will be able to play like a concert pianist off of those sheet music that have “just the right hand”.
There are letters on top of the notes (like C, Am, F#m etc) that tell you what to do with your left hand (and right, if you so choose!).
They don’t specify specifically which notes to play when and for how long, but rather give you an idea of which notes will sound good. Then you can decide on your own exactly how you want to combine those notes.
It is actually a much easier and more fun way to play anyway.