Love is a mix of sadness and Happiness. That sadness will fill with warmth and happiness. The disappointment from that sadness will turn into a lesson. A valuable lesson to accept the truth.
One-sided love is special. To love someone one-sidedly especially for a long time hurts a lot and yet still chasing the same person. Chasing someone you love by trying to impress her in many ways is a wonderful feeling. Hoping that loved one will feel the same way you love her/him someday in the future.
You keep doing everything you can to chase her until you’re exhausted or even found a new one to chase by a miracle. Just Imagine how much you love the right one when everything you had done to the wrong one is much enough.
If you intended to move on and find a new one to love, Just remember, Love is a series of Happiness and Sadness. Just like a drama. If it only either one of it, It’s not love, my dear. It’s only an affection :)