How did it ruin his life and how do you know weed did it?

There is no logical reason (especially considering cigarettes, cigars, alcohol and chewing tobacco are all legal.), but the majority is apparently still against it.

^ idk what would someone have to do to make it legal

He was a mediocre student who participated in sports and was active in community events. He then became a failing student who ceased participating in both sports and community events. He started fighting with his friends and became friends with a group nefarious miscreants. What was the difference between a slightly underachieving student who was active in extracurricular activities to a failing student who participated in no extracurricular activites? He began smoking marijuana. Fortunately, he is now no longer using marijuana and is in the process of attaining his GED and a job.

Apparently some research on DNA has concluded that some people (about 10%) have potential for psychosis from smoking pot.
It's a DNA coded thing and has to do with your brain's dopamine receptors and shit like that.
So yes be careful but most likely your not part of the 10%, otherwise you would be locked up somewhere.

Yes, i get the crazies on pot but i also believe it isn't serious brain damage or psychosis in the sense that i hear things, etc.

Legalize it, there's worse out there (ice/meth/speed) and prisons are wasted space for drug users / addicts.

Let me correct myself (or rather, use a better choice of words to get my point across): There is no justifiable reason, but the majority is apparantly still against it.

personally, Im tired of druggies. At the least, they are inconsiderate, like stoned roommates getting munchies and eating YOUR food, or smoking up in the house even when you're not into smoking, getting weed smoke in all your shit. Then you get the Pressure Punks - those who keep trying to get you to try something. One of these type of people seriously fucked up a good friend of mine, pressured them into doing coke, crack, pills, etc. Even though she stopped years ago, she still gets cravings, even when hearing someone talk about drugs. Then there are the dangerous druggies - those who go around stealing shit so they can get more money to fund their addiction, and even going as far as jumping/mugging people. Ive known people on both ends of that coin.

Drugs of all kinds have a reason for being illegal. While weed is a lesser offense, it still has the ability to intoxicate those around the smoker. Sure, cigarettes can cause damage too, and there's a reason states are banning smoking in public places.

What they should do is create little sub-colonies, like indian reservations, where people who want to live in a society with drugs can, and they can be in their own little society, removed from the public society and thus unable to affect/influence them.

So you want to cut off people from the rest of society who don't agree with you?  What the fuck?

Personally, I'm tired of people like you who have met a couple assholes who use drugs and suddenly decide all drug users are assholes.  What about people who drink too much coffee and it really makes them an asshole?  They're all over the place, especially at the restaurants I've worked at.  People would be mad at me for not drinking coffee, saying I work too slow and I really need a pick-me-up to stay on my toes.  One guy who was training me would have a coffee and a couple sodas, and then he'd feel like he's working faster, but he'd get all jittery and forget stuff and drop shit.  Caffiene is a highly addictive mind-altering DRUG that can and does make people assholes.  Should we put everybody who drinks coffee in your little "sub-colony"?

I'm sick and tired of people always asking me for a smoke or for a light everywhere I go, and all these assholes who smoke on the steps right outside the buildings at shool, right in front of the signs that say it's illegal to smoke within 20 feet of the buildings.  I think all smokers should be rolled up in a giant rug and thrown into the Arctic.  Fuck yeah.

There are legal drugs that are WAY more dangerous than marijuana. Salvia for instance. The shit I saw while I was on that drug would put some people in a mental institution.

its called a rave