Also known as OCD, obsessive-compulsive disorder is a neurotic mental illness in which intrusive, negative thoughts and/or impulses which regularly enter the person's mind (obsessions) are counteracted by repetitive acts or rituals performed to alleviate the anxiety and general distress created by these obsessions. It is possible to qualify for a diagnosis of OCD if only obsessions or compulsions are present, although the vast majority have both.

When you eat dirt for the first time and leave your family to build a shack in the woods

Is a fairly common problem where people experience ‘obsessions’, recurring unwanted thoughts which are difficult to stop, and ‘compulsions’, rituals of checking behaviour or repetitive actions which are carried out in an attempt to relieve the thoughts.

An anxiety disorder in which uncontrollable intrusive thoughts and mental/physical compulsions make sufferers miserable. These intrusive thoughts can include violent and taboo obsessions that make the sufferer question their identity.

It's a painful, torturous disorder I'd wish on nobody.

Disoder in which the sufferer has a 'need' to have everything perfected to the 't'. They are usually very anal and will induce bodily harm should you ruin their arrangements.

To be so absolutely obsessed with a person that one talks about this person in everything that one does.