Hiyo kitu kuhusu madhara yake ni ambiguity..research nyingine zinaaema yapo nyingine zinasema hamna na ni healthy. .ila kubwa ni psychological dependency. .well...kwa kuwa ni "tatizo" can be treated hospitali. ..ila kuhusu kuwahi kufika then ukajustify through nyeto.....sijui km ni sahihi..anyway tell rm stop touchin him/herself..