The first drug I ever used, first time I altered my consciousness, was MDMA. I didn't think drunk or stoned people behaved in a way I would enjoy, which I absolutely confirmed later. I loved MDMA but despite using it max 4x a year, at least 3mo between uses, 1 pill per roll, by the 12th time I took it, I only experienced negative effects. Unfortunately I do tend to build tolerances to stims & stimulating psychiatric meds (Prozac, Effexor, etc), often permanent tolerance.
About a year later I encountered meth which I have always preferred to take orally (which to me feels quite similar to MDMA but highly, wonderfully sexual for me) & quickly became my new fave especially as I find it to be very functional at lower doses & I was in university. Then I decided to try IVing it; it was the first drug I ever shot. I have tiny veins, low blood pressure, poor circulation & am chronically cold (plus female & very much not well muscled in my upper body). My felllw BL friends the night I shot were too freaked to even babysit let alone assist me in any way, but the injection was flawless (still can't believe I hit that tiny vein in my wrist 1st go) & almost instantly I felt an incomparable, euphoric sensation in my brain, that sort of felt like little bubbles fizzing or popping. I've never felt that sensation since, & I was pissed at the time that I hadn't IVed more (too concerned to do more than a tiny dose), bc it was definitely nowhere near a recreational dose.
Other than the initial rush, I wasn't impressed by the effects or lack thereof. A few years later I IVed a much bigger dose, too much in fact, as I dislike feeling extremely high (control freak obsessed with mental clarity). And not a hint of that special little rush from my first time; I definitely still prefer oral. I've smoked quite a bit mostly as a social thing & snorted it 1-2x; both ways I find are much less euphoric, more jittery & unpleasant, especially snorting. Haven't tried plugging but I've been unimpressed by the effects of all the other drugs I've plugged, though it is certainly better than snorting when it comes to stims. But oral stims are just best for me.
I probably won't use it again bc of the overall toxicity, but I will forever wonder about that initial fizzy bubble rush. Was it due to IVing, & would I have experienced it no matter what I'd IVed first? Or at least with any stim? Was it dose dependent; maybe the overwhelming nature of my 2nd time prevented me from feeling it then? Or what? Btw, it was definitely meth both times, but perhaps the ratio of dl isomers had something to do with it? I've IVed coke a few times & while I found it very pleasurable unlike all other coke ROAs, & moreso than IV meth though definitely not worth the duration, that too failed to produce the special sensation.
I had large quantities on hand for long times & I never had the desire to use it more than at most 2x a month, and even that was not common, so it can certainly be used, even IVed, without leading to addiction. I've observed both personally & generally that the common non-oral ROAs, especially smoking & IV, are the most addictive aspect of meth use, rather than the drug itself. Likewise for coke particularly. Rituals are incredibly powerful.