Rough sex...uh...no.
Sex and pain, IMO, are two polar opposite things.
There's a difference between whips, chains etc. and "aggressive" sex... (all said earlier through this thread...)
To me there is:
(1) Calculated sex. Doing thing purposefully with intent to pleasure the other person.
(2) Pent up passionate spontaneous "rowdy" sex (ripping clothes off, clearing off the table etc.)
(3) Sex done out of love. Just natural flowing. Done with emotion not thought or calculation.
Then there are the "weird" sex styles like S&M etc.
I'm referring more to (2) above.