Games can last from five minutes to well over an hour.

They may last from a few hours to a week.

But, it can last from 15 minutes to three hours.

College or university follow and can last from 4-6 years.

This period may last from six months to a year.

This state may last from a few months to more than 10 years.

The effects can last from a few hours to six days.

This stage may last from 1 day to 6 months.

The exercise can last from two months to a year.

If used the effects of this can last from 2 to 3 minutes.