This is the clue that your relationship is the real deal...
Go on, admit it. You're a flirt! Your dual nature means that you enjoy the cuddling, but you also like stimulation and the offbeat. You're definitely quite a unique, exciting catch!
How can you know if you're ready to commit? Pretty simple: If the other person is able to keep up with you tit for tat, then you may have a true meeting of the minds.
If you're dating a Gemini, how can you tell if the feelings are real? That's no easy task. There won't be any soul-baring revelations, but if the talk turns from casual to personal, it could be more than a fling.