Waiting

I feel like I'm just saying the same things over and over again, but how much longer can this go on?  How much more until I finally give in?  How much more do I have to endure?  I can't fight this depression anymore, don't have the strength to climb out of this black hole.  Just waiting now.  Waiting for it to completely take over my life until there is nothing left of me.  Waiting until whatever this is that is stopping me from killing myself finally lets go.  Waiting until I can give in to these thoughts and end my life.  How much longer?