(6) They would collect samples from your body that will include hair samples, skin samples, sperm samples, blood samples and many more.
(7) In worst cases aliens may plan to mutilate you if that is a requirement of the experiments that they have planned to carry out in human beings.
(8) If by now you are thinking that they would be doing only horrible things to you after abduct you, it is time you change your thoughts. There are also instances where aliens have engaged into friendly conversations with the abductees where they have communicated the purpose of the visit or their long term plans with the abductees.
(9) Alien abductions have proven to be beneficial to man at times as well, as after abducting, aliens may also educate you with the various technologies that they are aware of and they can also let you know about the history of the universe and about their galaxy or planets.
(10) Aliens would also engage into telepathic communication with you wherein they will gather information about the planet earth from the earthlings, i.e., you.
These points have been collected from the various firsthand accounts of people who have been allegedly abducted by aliens. While skeptics do not tend to believe too much in these things, yet the various cuts, bruises or mysterious implants on the bodies of the alleged abductees surely tell the story of their encounter with aliens clearly.