The simple answer would be don't go to your cousins cabin. Being newly committed to living a life drug free can be difficult at first. Being around weed may be too much of a temptation for you. It might be better to avoid as many triggers to use as possible.

What has helped me, is to be focused on what I need to do stay on track with my addiction treatments. One tool is to think about the consequences of using and how it would rob me of the opportunities that are very important in my life. To deeply realize that I have a choice to throw away what I desire to accomplish by getting high or do absolutely everything necessary to stay safe from a relapse.

Here are some recovery tools that you may find useful.

SMART Tools
http://www.smartrecovery.org/resources/toolchest.htm
http://www.smartrecovery.org/resourc...clesessays.htm