There are myriads of reasons why people get into drug addiction; either out of peer pressure, frustration or confusion. Drug addiction is one risky social behavior people begin without knowing the extent they will go– most drug addicts never know from the onset that they are going to get stuck in the act.
It is easy to become a drug addict but getting out of it is always a serious battle. Some try to for a while but lose the battle after some time and go back to their old self soon after getting out of rehab while there are those that never get to make it out of the struggle till they get consumed by the very substance they used to get solace from.