Am I going to heaven?

I would do all the things in this world without restraint. I am no angel and i got my vices. If I was guaranteed not to fail, failure to me is not being allowed into heaven, not being accepted. If I was gusranteed a ticket in I would live without restraint now. What keeps me from going all out is my faith and belief in God and His word. I like to think this is a good thing. If I was guaranteed success , success to me is not ending up eternally condemned. I know myself well enough to know Gods Word holds me back from going all out. This makes me have to look at my life of indulgence. Yes I worry about this. I should be at peace, so this very question forces me to look at me and I leave it at this.