Then go to conversion therapy . As an adult , you can do whatever you like . Conversion therapy has proven every time it ' s been studied to be A ineffective at changing people ' s sexual orientation and B very effective at causing incredible psychological harm . But if you want to chop your thumbs off , hire someone to stomp on your balls , bash your face against a wall , or rot your liver with alcohol , you can do that as an adult . The problem and the point of the bans is minors . Parents can force minors to attend therapy for depression , take medication , generally speaking they ' re supposed to know better . But in the case of procedures that are not helpful and often harmful , that can create a moral problem .