Both unilateral and bilateral contracts are enforceable in court. For example, a unilateral contract is enforceable when someone chooses to begin fulfilling the act demanded by the promisor. A bilateral contract is enforceable from the get-go; both parties are bound the promise.
Yes, scratching is a form of self harm. Try to tackle this problem while you can because it has the potential to get worse. I started out scratching and now I burn myself with a lighter and cut myself. It's a self-destructive way to deal with overwhelming mental/emotional pain.
Self-Harm By Cutting as a Sign of Psychiatric Disorder. Cutting may also be a sign of an underlying psychiatric disorder. While many people engage in self-injury cutting due to life-stressors, others do it because they have an undiagnosed mental health disorder. A person who self-harms by cutting may have: 1  Depression. 2  Bipolar disorder. 3  Borderline personality disorder. 4  A psychotic disorder. 5  A substance use disorder.