The word for someone who thinks a lot of themselves is "self-important" or "arrogant." Such individuals often exhibit an inflated sense of their own worth or abilities, which can come across as conceit or hubris. Other terms that might apply include "narcissistic" or "egotistical."
Pensive.
True
maybe someone who relies on you?
thoughtfulintellectualpensivesmart or shrewdcurious or inquisitive.I think first three are best thou
BECUSE A dude named Oscar had a lot of affais and he got loved sick al the time
naive
a klutz
a noob
At one time, it seems to have referred to someone who had lots of expertise in a subject, but today, it mainly refers to someone who has only a superficial or casual knowledge of something, yet tries to pass himself or herself off as an expert. For example: She thinks she knows a lot about Shakespeare's plays, but really she is just a dilettante.
Persistant
Argumentative ---- Eruptive
He has a lot of piercings because he doesn't see his body as good enough. He thinks that he is making himself more attractive and worth more by getting a lot of piercings.