Is it worth to hurt yourself and let others worry bout you because someone had hurt you, left a scar on you? Someone who didn't appreciate you?

Why harm yourself again? You were hurt once by him and you're doing it again. This time by your ownself. Trust me, I've gone through this before. Its not like in tv shows where things goes back to normal. The way it is before meeting him. Its the people around you makes it better. Hiding your thoughts, sitting in one corner in your room isn't going to make you feel better. To you, everyone in the world is like him. No its not true. WHAT FOR WASTING YOUR TIME? Your heart is like a mirror shattered into pieces, you can fix it back, but you can still fucking see the cracks. No point emo-ing over him. No point going back to him. No point destroying your life over someone who didn't love you like how you love him. Look around, this world doesn't only revolves around one person. Love can only be felt with a whole heart. With that broken and shattered heart, you can never feel love.
Remember, when someone is about to leave, another someone is coming :)