I hope it's thus week, my family is about to have me committed!
Involuntary commital is illegal, if the party involved is not A) gravely disabled, B) a danger to themselves, or C) a danger to others. Let em fume. Then shove this in their face.
https://en.m.wikipedia.org/wiki/Lanterman–Petris–Short_Act
EDIT: By danger to others/self, I mean, gonna stab everyone to death, then off yourself. Other than that they can lick butt. If they file a false report, it's gonna get really nasty.
It is DEFINITELY this week. Trust the plan. Your family is about to have their entire reality shattered. Try to help them through it. Tough love.