The difference is whether you are doing something wrong with a plan to just seek forgiveness later...or whether you are doign something wrong out of personal weakness, errors whatever and at some point realize you were wrong and want to make a change.
The consequences for his actions are between him and Allah, just like consequences of any of our actions are between us and Allah. and he may be forgiven for wrong choices of the past or he may not be forgiven.
and as far as drug users go, all of them were non drug users at some point in time:)
Right, but if there are no consequnces for your actions, then there will be a lot more folks intendeing on doing sthing and asking for forgiveness later.
And ofcourse, all were non drug users at some point. But taking the first step is the biggest thing. Just like the second sip of alchoal is much easier as compared to first.