Thought you sounded familier yoblack!
You sound young.
It's not like many people turn into hardcore meth heads after a few experiences. It's something that creeps up on you, I've noticed lots of people go from every once in a while, to every second weekend, to every weekend no matter what...all the while they have no idea that an addiction is forming, they just get into the habit of using it regularly - there's nothing particularly dark and sinister at the time, it seems all good. (not saying everyone is like this, just a common thread)
Then there's people who will never get addicted to it.
Do you know for sure you'll always have self control? You managed to keep all your drug use under control while keeping up study/work/social/family? Even if you have, I'd hold off on meth until you're a bit older if possible.
So very very true. I tried my first drug last year (IVd ice (meth)) and, to be honest, thought the idea that one could be addicted after the first time was a bit silly; an exaggeration to scare people off. I was older, wiser than your average debutant and scared shitless of being addicted so had all the rules in the world.
The week after my first time I understood absolutely how you could be addicted after the first time. No question, terrified me. That lasted about three weeks until I decided to go again. After all, I had proved I could say no...And I had decided on all of these rules ranging from amount, frequency right through to where and when I might do it. My mate who introduced me to it (at my insistence) warned me of potential issues and warned me it would get a hold of me.
And he regularly reminded me as I relaxed one rule after another. Eventually, I used every week, having long since lost control. I was addicted, I knew I was addicted but I was enjoying it.
There were still some rules I didn't break; my job paid for the meth so anything that placed that at risk was a no no. Still, I made mistakes and learned from them; to my credit, I suppose.
Now I have seen every negative side effect my mate warned me of, and that I saw in him (other than the paranoia). I have reasserted some control while still using but there are times when, if I can't distract myself, I cannot stop myself. What scares me is the how I place drugs almost on a par with some of my closest friends, my nephew, etc. Let alone the financial machinations to keep using at such a high level.
Now I have cut right back and enjoying it more.
Long story short: Don't start yet. In fact, I'd say don't start until you have a really strong grip of who you are. I have seen two much younger mates make the right decision and back away; in part because I refused to help them use. They made the wiser decision and have benefited from it. I can tell how it affects me mentally but I have had the benefit of a "drug mentor" who I trust to warn me of the pitfalls.
Trust me: I was 44 when I started, great career, strong mind, exceptional willpower, IQ in top 3%, close friendships and relationships, etc etc.
Counted for jackshit when it grabbed me by the balls. And my ability to pull back for a while was aided because I could see the affect on my mate and his girlfriend. Ensuring I did them no harm helped make me back off for a while.
If you'd asked me in April last year (when I first tried it) if you (I) could control it, I would have (indeed, did) said "Of course, because addiction terrifies me. At New Year, I would have said "Lost some control but still can pull up when I need to. I am on my guard."
By late January / early February, as I watched my addict mate and his newly addicted GF fight while coming down, "Fuck, they can't stop, neither can I. But I don't have the negatives they do, so I will use away from them."
Then a few weeks later, using alone, I experienced my first dopey period (having seen it in my mate, like when he asked me if I was his dad..or his GF's dad, or if she was his dad). I was annoyed my computer mouse wouldn't move...until I looked at my hand and realised I wasn't pushing it. Miraculously, when I pushed it, it moved! The same process happened several times that day. I had used too much (and kept using BTW even while telling myself this won't help at all).
So...after all that...I believe you cannot be a regular user of meth and not have it control you. First, in subtle ways, like how you schedule your weekend around your use, then how you PRIORITISE your weekend to get your drug use in. It aboslutely sneaks up on you; the theory is right...By the time you think it is time to stop, that time has long passed.
Fortunately, I have only really been desperate for some ice once (as in, I would have asked my mother to stick the needle into me) because I has been unable to register a vein...Mostly, I have found ways to distract myself and if I am feeling down, it is a struggle. But, recently, I have been reasserting some control. But it still has me in its grip.
I think it takes a lot of self discipline to resist even for a new user and not thinking about it seems impossible to me. 
