Here is the full list of all 10 Never give up! achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
MY LOVE SHOULD STAY SECRET
OUR FUTURE TOGETHER
OUR FIRST LOVE
PLANS FOR THE FUTURE
MAKE THE FIRST MOVE
MEET EACH OTHER HALFWAY
I'M LEAVING SO YOU CAN BE HAPPY
TOGETHER FOREVER
I'M STAYING WITH YOU
WE'RE TOO DIFFERENT