Experiences - N.d.e.,dejavu,brain damage!

[MuffyMuff]

hi everybody!swim has got few question & he hope someone can answer.
1)after 1/2 g of mdma & 1/2 g of k, that friend was tripping hard and then he had a dejavu. Swim conviced himself that at the end of the scene (at the end of dejavu)he would be dead. infact when the last frame disappeared, swim told himself"ok now i'm dead". Then he felt like someone was picking him up, and he landed in another world that luckly was more near from reality.
so swim's question is "can we call this experience a near death exp?".swim tell me that he didn't see any black tunnel or light , but he was really sure that he was died.
2)are dejavu common in k experience? swim often gives to dejavu some misterious meaning (like"this is what i saw when i was born so i must die now that i'm seeing it again")
3)a friend of swim told him that he must not be scared of k becouse k was projected to be a pharmaceutical, so k works for a determinate time and then you always come out of the trip. on the contrary lsd is more unmanageable and there's more chance to fuck your brain. Is that true?


sorry for the language...swim hopes you can understand what he mean.
thank you!