Which one is correct?
1) Pick those pieces of your heart which still wants to be happy , or
2) Pick those pieces of your heart which still want to be happy.
Which one is correct?
1) Pick those pieces of your heart which still wants to be happy , or
2) Pick those pieces of your heart which still want to be happy.
"Pick those pieces of your heart which still want to be happy" is correct.
"Want" matches with the plural noun, "pieces." A piece wants, whereas pieces want.
Well the subject is "pieces of your heart" so I'd say "still want" though it doesn't make much sense.