When you're high, everything about you and about you moves slower. You will find it more difficult to focus on what it is you do. You may forget fundamental things such as, where you abandon something, names, dates, folks which you had been introduced to etc. If you smoke you will also become quite paranoid, always considering that somebody is after to receive your stash. From that point, you'll also have a great deal of mood swings. Whenever you have sufficient weed, you'll be quite happy, but ...