She is crying because it hurts, and the only thing that helps to alleviate the pain is smoke from a cigarette. When the smoke is blown on the bite you can visually see the bite get smaller.
To see a spider in your dream, indicates that you are feeling like an outsider in some situation. Or that you may want to keep your distance and stay away from an alluring and tempting situation. The spider is also symbolic of feminine power. Alternatively, a spider may refer to a powerful force protecting you against your self-destructive behavior. If you kill a spider, it symbolizes misfortune and general bad luck.
To dream that you are bitten by a spider, represents a conflict with your mother or some dominant female figure in your life. The dream may be a metaphor for a devouring mother or the feminine power to possess and entrap. Perhaps you are feeling trapped by some relationship.
To see bites in your dream, forewarns of danger from someone who has wished you harm, either physical or monetary. Be careful of people who surround you.
To dream that you are being bitten, represents your vulnerability regarding your unresolved issues emotions. You may be pestered by a problem or obstacle.
In particular, the left hand symbolizes your graciousness and feminine, receptive qualities.
i dont know, dreams tell you things.. maybe its saying that your going though some pain and the only way to releif it is by drugs, or maybe someone close to you is. Or maybe its showing you that wounds heal but slowly, dreams can have many different meanings, these are just some guesses.