A completely elevated state of consciousness. The mind will be free to explore hidden depths within itself. Some senses may feel heightened, while some may be dulled.
The muscles in one's body may relax, or contract and twitch. One may experience either a floating sensation or extreme heaviness (Couch Potato Syndrom.)
Most people experience what's referred to as The Munchies. Eating becomes an exotic experience, and many people become culinary pioneers, exploring new and strange food combinations.
Beware: Eating often dulls the high.
For some, the sense of smell is dulled. One's vision may blur and the eyes become glossy and red. Tip: Use Visine.
Sounds may become distorted in various ways. Music is heard differently and may seem immersive, as though one can "feel" it. Tip: Experiment with new, different types of music. One can achieve a meditative state of mind through ambient sound.
Most novice marijuana smokers experience what's known as The Giggles. Simple things may cause a person to fall into uncontrollable laughter. This effect is generally harder to achieve once a person has been smoking regularly for a long period.
Some people may also experience a feeling of paranoia. This usually doesn't last long, and may only occur when using a specific type of marijuana. Different types, or strains of marijuana will have different effects on a person. Being high takes on a new meaning to every person, and with each new experience.
When you are high, your mind will reveal you to yourself.