Human beings have many rights, but should one of them be suicide? I believe you are entitled to choose whether you continue to live or not. It is your life, and it is your right to choose what to do with it. If you feel that you want to end your life then you should be able to without judgement. Sure, this choice may affect others around you, but it is still your right, your life, your happiness, and your decision.
Remember that your decisions affect others! It's a chain affect: If you commit suicide, then someone else who's really close to you probably will too, and then someone else who's close to them will too, and so on and so forth.
Remember this: If you think no one cares, think again! ;)