She's saying that she remembers all the good times she used to have, and that things can fall apart at the last minute. However, that's no reason to stop trying to make your dreams come true. THere are some dreams out there that weren't meant to come true, but you never know what those are until you try your hardest. Even the things that seems impossible sometimes happen with no notice. So keep trying and put your whole heart into it.
She's saying that she remembers all the good times she used to have, and that things can fall apart at the last minute. However, that's no reason to stop trying to make your dreams come true. THere are some dreams out there that weren't meant to come true, but you never know what those are until you try your hardest. Even the things that seems impossible sometimes happen with no notice. So keep trying and put your whole heart into it.