I must say it is sad to see you have reached this conclusion. nonetheless, it is your choice. If someone can assist you, you might not even need to take anything. That being said, i have no idea what Olanzapine does, but I have almost drowned while completely sober and can tell you what its like; Initially, i was just confused, i had slipped off the hill descending to the deep end of the pool. It wasn't painful, and it wasn't really scary (i could have just been shocked though.) The pain only started after i had been brought to surface and started coughing and sneezing water. Please make sure this is what you wanna do before you go through with it.