Kinky

Then you should confront him about it. Ask him, talk to him about it. If he's not into it, and the urge is overwhelming, you may need to figure some agreement with him, or, leave him if he will not even discuss it. If he's never tried it, experiment! He should be open to new ideas. If he isn't, then he probably won't make a good boyfriend in the future. If he likes it, wonderful! I myself am not into bondage all that much, but if there was a girl I liked or loved, I would sure as h*** make the attempt.