Someone who is obsessed with themselves is commonly referred to as narcissistic or self-absorbed.
It could be a chronophile (one who is obsessed about time).
An nerd :)
a selloholic
Arachnomaniac - Is someone who is obsessed about spiders
The correct medical term for someone exercise obsessed is 'physically attractive'.
Over protective.
a loner
It means completely preoccupied with oneself (to an unhealthy extent).
A person that hunts dinosaur bones is called a paleontologist.
If someone's obsessed with you flirt or drop your books on the side of him\her or you could ask him\her if they wanna go out or something.
people who are obsessed with time are called really annoying and anal! lolBut seriously, the term is called timeophile-or chronophile for the obsession of devices that record time (watches clocks, calendars etc)