To my lawyers in the house and everybody else, Is legally right for a parent or parents to violently force (by calling people to inject and attack them) an adult (their child) who is about 29-30 years and above to a rehab against his or her will just because they drink alcohol and smoke cigarettes (even when alcohol and cigarettes are not against the law)? Is it lawfully right to force them to a rehab against their will when they haven't constituted any nuisance or violent behaviour.

Huncle, stop smoking for one month, your parents will think that you had already Rehab yourself and won't disturb you again.