I don't use cannabis however, you may wish to limit your own additional consumption for developmental reasons.
http://www.webmd.com/add-adhd-stoner/guide/
adhd-symptoms-excessive-reffer-usage-symptoms:
● Lacking focus (i.e. have a short attention span.)
● Having a hard time paying attention to details accompanied by a tendency to make personal attacks upon others covering for this limitation.
● Having trouble staying on topic while talking, not listening to others, and not following social rules.
● Forgetfulness about daily activities (for example, missing appointments,
forgetting to bring lunch.)
● Being easily distracted by things like trivial noises or events that are usually ignored by others.