Marijuana users who have developed high tolerance to this type of drug can be facing a serious problem because of the possible withdrawal symptoms that may arise in the event they decide to quit. The usual withdrawal symptoms will arise within the 72 hours timeframe after the last use of marijuana and eventually subside in a week or more. One of the greatest challenges that marijuana users will have to cope is marijuana withdrawal anxiety. So, here is a step-by-step guide to help you get through this mental problem while still on the withdrawal process.