try not to worry
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read some more of this forum and try to absorb the positive and constructive nature of the substances you are attracted to.
If you do feel as if your mind is looing it's grip, hold back slightly on taking anything. most importantly, cut out the weed.
When i smoke weed for months on end, i feel my mind falling onto the pyschosis side so i know when to stop. When i was 17 though i didnt and i now realize what was happening to my brain/mind.
Use this time for introspection. Realize that everyone on here will offer you help advice and support when they feel they have something helpful to say to you.
If you want to message me to talk about it or anything, feel free.
Everything will be ok though, your mind is just slighglty out of balance at the moment but things can be leveled out and after this, you have the potential to feel better than you did before.
everyone gravitates to the path they need, even if at times it seems like a wrong decision is made, that decision is there to steer you onto a later path.
Stay clear and grounded for now,be honest but fair to yourself and try to avoid being too over-critical /negative towards yourself.
re-build your 'roots' before heading back into the 'sky' and it will make a world of difference
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take only the parts of this post that resonate with yourself , and again if you want to talk , or feel i can help in anyway, give me a shout.