"I just can't see how a person that dedicates his or her life to beeing a slave to another person (and merely due to his or her sexual urges) could have a fulfilled and loving life. How could this person ever develop respect for his/herself if his/her very partner delights in not showing any. For this and other reaosns I would call a intensive sadomasochistic lifestyle unhealthy."

If you truly consider this highlighted section to be factual information, you need to quite seriously re-evaluate your knowledge of what we do.

Respect is everything. It is the very core of what this is.