They spend a lot of time with that person and become too attached or begin to depend upon this other significant "other" to such a degree that they tend to convince
themselves and quite possibly the other as well, that they believe or viewing other as becoming Their own personal desire and which becomes an affliction, which if not corrected or relieved to a certain degree through intervention or treatment, thereby turning into a very ugly addiction in the end...
From my own previous experience with this sort of scenario (which is basically nil except for a few wrecked relationships, I surely am no therapist to be taking any sorta of advice from!) they nearly all have the tendency to fail & fall apart, almost always leads to a break in the bond that had been formed, but, is now ruptured and forever lost to each.
When someone is obsessed it can mean quite a few different things, for example if it's someone obsessing over a band, a young teenage girl for example there is nothing to worry about they just look up to these people. however, if it's an everyday person obsessing over another person they are near or have met online then you should think more about their mental state and they just can't help themselves they wont stop because well they get a kick out of stalking your every move.
Yes, many people is obsessed with sex
people are ttly obsessed with it for no reason!!!!
People can be obsessed with anything, including one another. Assuming women are people, then yes, women can of course be obsessed with one another. Now most obsession with other people is fueled by sexual interest, and yes, if a man can be obsessed with a woman, so can a woman who is attracted to other women.
Most people today are obsessed with money and power.
Obsessed? Well I guess just having poster on you wall doesn't make you as obsessed as many other people. Some people make Twitter accounts just because of him. They buy tons and tons of his Cd's goes to his concerts and other stuff. If you do all that you would be "Obsessed".
There are many people who are obsessed with their boyfriend. Not all people are going to be obsessed with their boyfriends though.
People can get obsessed with Webkinz just like they can get obsessed with any other game. Webkinz is a cute kids game that is fun and has many mini-games. It is growing in popularity and especially addictive when you want to have the best possible house and such.
By losing perspective.
By being OBSESSED with glee
That is a false assumption. Not everyone is obsessed with pie. On the other hand, lots of people like pie because it tastes good. Therefore it is pleasurable and people like pleasure right?
Tusks are ivory. Ivory is rare. Humans become obsessed with rare items---including obsessed enough to kill to get the items.
They are often obsessed with food even though they aren't eating it