If it is a woman, although the appliance has been disinfected, there is always a balanced microecology in the mucosa of her lower body, that is to say, there are normal flora in cleaning. If the appliance is used, it will inevitably lead to subtle mucosal damage, and infection and inflammation may occur.
In addition, the pleasure brought by tools cannot be provided by ordinary people, which will inevitably lead to the impact of this aspect of life. It is bound to have an impact on psychology.
Therefore, the use of happiness devices is not very beneficial to these two aspects.