Ponytail
To dream that you are wearing a ponytail symbolises a casual and carefree attitude.
Airplane Crash
To dream that a plane crashes signifies that you have set overly high and unrealistic goals for yourself. You are in danger of having those goals come crashing down. Alternatively, the crashing airplane represents your lack of confidence, self-defeating attitude and self-doubt. You do not believe in your own ability to achieve those goals. Loss of power and uncertainty in achieving your goals are also signified.
Tracheotomy
To see or dream that you have a tracheotomy implies that you are looking for an outlet to relieve some of your pent up tension and anxiety.
Separation
To dream of a separation suggests that you are experiencing some separation anxiety. You are afraid of feeling unneeded or abandoned. Alternatively, the dream means that you need to looking at an issue more objectively. You need to pull yourself away from a situation and look at it from afar.
Thirteen
Thirteen is a paradoxical number which means death and birth, end and beginning, and change and transition. It is symbolic of obstacles that are standing on your way and that you must be overcome. You must persevere and work hard and persevere in order to succeed and reach your goals. To many, the number thirteen represents bad luck.