The doctor, tell or say, whether it is connected pristratsie to sex in stiel "mazo" with depth z...

[Uljana]

The doctor, tell or say, whether it is connected pristratsie to sex in stiel "mazo" with depth zaleganija erogenic zones?

Thanks

[The anonym]

NO!

[Isaev D.D.]

Predilection to BDSM is connected with psychological features and needs or requirements of people, instead of with any material (physical) equivalents of sexuality