Based off their art preferences, the Clone Troopers seemed to have an appreciation for the female form.
The Star Wars: The Clone Wars episode "The Deserter" features a former Clone Trooper named Cut Lawquane who married and implies that while they aren't supposed to, Clones are capable of reproduction.
Rex: If we fail, then our children and their children could be forced to live under an evil I can't well imagine.
Cut: If you were to have children, of course, but that would be against the rules, wouldn't it? Isn't that what somebody programmed you to believe, Captain?
Rex: No, Cut. It's simply what I believe. It doesn't matter if it's my children or other people's children.
Such feelings seem like they would be an unnecessary distraction in battle. Given that the Clone Troopers' sole role was to fight for the Republic, why weren't their sex drives removed or suppressed?