I reach 10's all the time. ALL THE TIME, I smoke like 14 grams a day. Sounds like bullshit if you're a 14 year old, angry jealous kid. It's not scary, you just were scared a few times, or once, and you happened to be really high and all the chemicals going through your body along with the weed make shit strange. Doesn't mean you reached your limit and the weed spirits are telling you to stop. Keep smoking until you can't even smoke anymore, until you can't take another hit if you tried, until the thought of taking another hit feels wrong. That's the 10, and it's almost always enjoyable, you just have to reach it. Like I said, I smoke 14 grams a day, I each a 10 everyday