what is life

what is life when everyone that said they whould be there for you has left you when ppl you care about dont listen to you yeah you know they are messing up and you try your hardest to keep them in the right track yet it seems like it is all going to waist then why live when you want soneone that you care about you want them to do good but they dont listen so why live if you cant even help one person in life so why should you care if i live or die when you your self are throwing your own life away