Aliens represent things that are difficult to explain. They often portray our fear of the unknown or express the hidden side of our personality.
see alien - there will be problems with adapting to the new living conditions
talking to the alien - you lack privacy
have sex with alien - you want a change in your sex life
to be attacked by an alien - fear of the surroundings will make you isolate yourself from people
to be an alien - someone will change your point of view on a certain point
to be kidnapped by an alien - fear of losing your home and family.
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