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.
Cutting and Self-Harm: Warning Signs and Treatment. Parents should watch for symptoms and encourage kids to get help. By Jeanie Lerche Davis. WebMD Feature. Reviewed by Michael W. Smith, MD. Cutting. It's a practice that is foreign, frightening, to parents. It is not a suicide attempt, though it may look and seem that way. Cutting is a form of self-injury -- the person is literally making small cuts on his or her body, usually the arms and legs. It's difficult for many people to understand. But for kids, cutting helps them control their emotional pain, psychologists say.