How can you expect them to handle certain narrative decisions, plot devices, or characters? For one thing, addiction kills, and when it doesn’t kill, it ruins lives and relationships. Moreover, even for legendary writers, periods of greater productivity typically occurred in between (rather than during) the worst bouts of chemical excess.
Find out what you enjoy and learn what people are writing and publishing right now.
For a few quality online journals, check out: Don’t just read other stories or poems.
If you want to be a great writer, or even just a marginally good writer, you have to read.
You have to know what has been done and what people are doing now to gain any sense of what you should be doing. Spend time with contemporary short stories and poetry; look into plot-driven horror, character-driven pieces, “the masters,” and rising contemporary authors; explore journals, magazines, and blogs.