You say that you want to continue to use drugs because you are young. This is not true. You want to continue to use drugs because you like them. That's all. There is nothing that says you will outgrow them in your 20s whatsoever.
Just to clear that up.
I smoked pot for 20 years. The only reason I quit was because most of the pot I smoked was grown by a friend who was an expert in hydroponic pot growing and went to Amsterdam every year to purchase the very best seeds that would grow the most powerful pot. And indeed it was. Top notch, top of the line, made it into High Times Magazine several times and won awards, etc. It was beyond 1 hit pot, it was way beyond that.
Finally it got so powerful that even I, a veteran of 20 years of smoking it, began to actually have heart palpitations whenever I smoked it. That was some killer pot, let me tell you. The best of the best.
So that's why I actually quit. I didn't WANT to quit, and I was in my 30s when I quit.
Looking back on it now, about 15 years after quitting, I can see that my mind and my sprituality was really clouded all the time, like a veil over my mind and eyes. The difference between now and then is truly remarkable. Back then I thought I was fully functioning, and I smoked it like a regular person smokes cigarettes. There was never a time I wasn't high. I functioned in society just fine, good job, family, everything.
The main difference I notice since quitting is the LEVEL of functioning is different. I was always high functioning, people had no idea I was high, and I was quite effective in my job, family, etc. No problem.
It is only since quitting that I look back and see that I was actually not functioning at the level I am now. I could have been accessing a much higher spirituality and intensity than I was then, and I am doing that now. I really missed out on a lot, thinking that I was functioning normally when i really had a veil over my eyes and mind and spiritual self.
Do I think that pot is the first step towards a lifetime of addiction to hard drugs? Not hardly. It's not. What it is, is an escape, a fairly mild escape, even much milder than alcohol is because on pot a person doesn't get ****faced unaware of what they are doing or saying, or passing out. A person continues to function on a pretty high level on pot, unlike what happens on alcohol.
I had a pretty dysfunctional childhood, and I know that I used pot in order to dull the emotions and feelings that I had.
Even though it SEEMED like it wasn't that, and that it actually HELPED me be a perfectly well-functioning and more aware person, this wasn't true.
So I'm telling you this stuff so that you don't think that it will help you access some higher spirituality because it really just dulls everything to one degree or another. The difference between now and then for me is really a sharp difference.
What is a good idea is not to get all caught up in things that are escapes. I think that Christianity is for many people nothing but an escape, their version of pot. Same for anything else that anyone uses in that manner.
What really is the best thing is to find what your passion is, and get involved in that. What interests you the most in life? If you haven't discovered this yet, then you can find it. The whole wide world is out there waiting for you to find what it is you are really interested in. You will know it when you find it. When you find this, you will lose all interest in anything that will dull your understanding and spirituality, and that includes pot and the rest that you mentioned.
Good luck, I wish you well.