How can i calm down my fiances sex drive?

Are you sure?: The fact that he is physcially attracted to you is a good problem to have especially when contemplating marriage. Speaking of marriage, the art of negotiation should be a relationship definition for the same, as sex drives between two people often don't match. Please discuss this topic now, as this topic and handling money are # 1 and #2 reasons for divorce.

Compromise : I agree with the other answer provided. Discuss it with your fiance. Its a normal trait to have for a male in his 20's assuming that is his age. If we're talking about a hypersexuality disorder (really), it can be seen as a side effect of certain drugs, usually illicit, as well as certain mental disorders; but other symptoms should be obvious to the trained eye.