Using drugs of whatever variety, and being whichever type of addict you consider yourself seems to weigh heavy on the minds of the addict. I think if you consider yourself a functional addict now, its very likely that you weren't always a functional addict. There is real feelings of guilt a lot of people who use drugs carry around with them.
And then there is also some who have an open minded opinion of drug use, and others that don't see what they do as a problem. I'm a functionl user, but I've destroyed my life before, I would have done almost everything possible to feed my addiction, and I did. That was then. Functional to me, then, was being able to go out and steal anything I could. Now things have changed. I stopped using for 5 years, only relapsing twice. Although most people would say I'm a damn fool, I decided to dive right back into a meth addiction. The differences between then and now are plenty, but the main thing is that this time I knew what i was getting into, I knew where it could all lead to. And this time functional for me meant entirely different things. I stay completely out of that lifestyle, which means I don't hang around with anyone else who does meth, I'm not out trying to steal everything, no more petty shoplifting, no more uninhibited unprotected sex with methed out tweaker chicks, no more staying up for days, no more homelessness or running around on the streets all night, and a lot of other things too, I just cant think of them all at the moment. Now, I'm in it for the head change, for the enhancements that I get. I've managed to find the right connect where I pay a rediculously low price, so theres no financial burden. It's been a few years now that I've been back on the constant daily/nightly use regimen. It's not all that I want it to be, but I couldnt imagine stopping. That would produce a change in me that would be so incredibly noticeable that it would be a game changer and not for the better either. Plus I genuinely enjoy doing meth.