Love is a feeling, it doesn't have any measures. There are several ways of expressing love.
The love relationship is precious when care, respect and sweet memories created by both sides, Two side love. But for one side lovers it all an expectation. Their love is not as same as both side lovers. One side love is all about loving someone without expecting anything in return. It is unconditional but at any point, they will expect to be loved back. One side love turns poisonous when that expectation fails or they wait for someone who will never love them back.

What do you guys think about one side love? Do they feel precious about their love even have nothing in return? Is it okay to love someone from one side without expecting them to love back?