Here's an example: u have an obsession with beer
I am obsessed with chocolate. .
Finding out the answer to the question became an obsession with him. An obsession is "an idea or thought that continually preoccupies or intrudes on a person's mind."
You have an obsession of playing video games. Here's one: I have an obsession with celebrity gossip magazines.
Some people have an obsession over a celebrity, TV show, food or activity.
full stop
no.
Some people belive that the current obsession with celebrity culture is both vacuous and mindless.
Emily has an obsession with Fletch.
at the end of a sentence.
Dipsomania is obsession with alcohol & is dangerous for health.
The government is full of palter.
No, the noun craziness does not use the definite article 'the'; corrected sentence: The world is full of craziness.