Addiction: When you cannot stop something even if you want to.
Obsession: When you can stop something even if you know its wrong but dont want to.
The fact that the differences between the two is often mixed up and you need to think about which you have.
meh, im obsessed with SEN then.
Obsession does not always have to be a bad thing. You can be obsessed with doing good things.
Obbsessive compulsive people cannot stop what they do.
OCD is a disorder im taking about a person without OCD