My wife told me she wants sex borderline abusive

Pillow talking the other night, my wife mentioned that she is beginning to realize she wants much more rough sex, and used the words “like borderline abusive”. It caught me so off guard I kinda was just like oh okay we can try that, said somewhat unbelieving in myself. She followed up with the fact she really quite enjoys sex now but that she’d begun to think it could get spicier. Most dudes would be creaming their pants at hearing that but damn. Not sure I can morally do that. I feel like it’s not me but I don’t want her to think we’re vanilla and get it somewhere else. Yikes