As already been said really, you can always take more but you cant take less once its in your system, or of course isn't the case with tooting
Talking about picking up habits I actually cant remember mine, but I know I was snorting too and wasn't very long. I smoke most of the time now, but the odd time I will snort if smoking isn't possibe, when I stay at my birds house which is most night, and lucky me my maws close by so I go there to my now smaxk den, to be fair though if it was a legit the computers and tvs an shit would be gone, I have thankfully never been that bad yet. Can tell av been tootin' a fair bit today accommodated with a box of diazies - night hasn't even reached gonna be fun
Anyway back to the habit thing I genuinely believe once you have had habit you gain futrues habits faster defo been that way in my case and most people I have