Full withdrawal have been hard to obtain. Abstinence is hard to maintain. Impressive experience of consumption may stay for long better forever. Neural plasticity should be used as far as its potential can help.
Any practical simple means to prevent relapse should be employed without delay, no fear and firm with your convictions, even if the culture of people around you a difficult moment is not helping you to stay in the good way.
They will learn to appreciate your strength, efforts and criteria when they will need it ... some day. Olicognograph, to look at it simply: 4 types of registers of activities, they are often combined, the purpose of the categories is you think about a complete treatment of the situation. With some training you will practice it almost intuitively.
Like taking with you some means, to make diversions; have activities that protect your from relapse, have defense or sort of prohibitions (recalled by yourself, your family, your group, sometimes the Justice; and your practical intelligence (like the way you prevent people not to insist (quite often simple sincerity with your problem is enough for them not to insist). Start also to mind that much of your life should be filled with good things, not the uselessness of your life when addict. This is the best way not to relapse: have higher concern.