Sensually speaking, Gemini is a mental creature above all else. They can sometimes be so turned on thinking about someone that their actual presence pales in comparison.
But the sign of the Twins can use this quality to their advantage in the bedroom, too.
Telling your partner what you most like about them, and what you want them to do not only dispels nervousness, but also keeps the communication you love going.
You may even find that making up stories and a little role-play can really get things going for the two of you.