No man, weed doesn't mess your brain up long term like that dude. Smoking it from morning until night every day might make you alienated from society though, it definitely has to me. And if you do that for a long time, you will get addicted. First it will be once a week, then the odd time during the week, then before you know it every day, then after a few years of that you'll be waking up in the morning and reach for your bong without thinking about it, and it will be a huge effort not to do that. You can try to downplay the physical withdrawal symptoms like some people do, but psychological attachment can freak you out and set you off course. I didn't know this could happen when I started, so be aware of it, because it's not uncommon.
Or maybe smoking weed just reveals you to yourself? I don't think it does anything to me, it just reveals me to myself. And that is what has changed me, I've just become much more aware of my reality. Overall, my body has changed because it's addicted to weed now, and my brain has changed most of all. How that has to do with weed, umm I can't go back in time and replay where I'd be at if I never smoked weed so I don't know, I've abused other drugs too there are just so many confounding factors,... the reefer has done me both a lot of harm and good though and has been a major influence in my life. I'm by no means living by a rough standard but I'm not exactly happy either. It has changed everything so much, from having sex to going to the grocery store to communicating with other sentient beings or going for a bike ride.
It is harder for me to live life now because I see more possibilities with weed yet I'm constrained by the limited thinking of other people and bound to the shackles of government and I just don't know. I am overwhelmed and confused. But then again, nothing actually needs to be done or even happens as this is a dream.
I get so much enjoyment out of weed it is incredible, but when I run out I tend to become aggressive and depressed (the opposite of stoned me). Those are just concepts I have associated with due to my past experiences though, what I actually am is beyond words, is eternal and unchanging, and is the same thing as what you are.
Weed is the #1 drug I have used most of all by far. I would highly recommend it but I wish I would have known how addictive it can be. Now I just can't quit and I have tried, it fucks me over a bit. But then again, there is this truth that we are constantly slowly dying so we are all fucked as it is, unless we change our attitude towards death and embrace it instead.The euphoria of the kush, the mystical journeys and smiles I've made it a point to make a weed trip out of my life, I can't go back at this point and things are going swell so long as I can a constant supply.