I want to hurt myself for the greater good
Is it important to sacrifice yourself for a cause?
It's the most important thing for me.
Wanting to help others is great, but hurting yourself to help others is just destructive. Work with others for the common good instead.
I'm going to do it anyway, my logic is better than yours.
Hurting yourself will cancel out the good that you're doing. You can use your time and energy in the service of a good cause without harming yourself. Talk to people who feel the same way you do and develop strategies that will be positive for everyone.