It could help to have dinner at home, instead of going out to a busy restaurant, for example.It takes time and patience in some cases to win the heart of a Gemini man.
You might be a calming influence, or you could be just as wired.
Look into creating a mood to go deeper, and settle for the moment.
Secondly, both of you must be flexible, and willing to make some compromises.
For example, if your Gemini man is flirtatious towards other women, he will need to tone it down.
Geminis go everywhere together, hand-in-hand, symbolizing their dual nature.
Though Geminis are active and fun people to be with, they have two important weaknesses; their ability to talk non-stop and how they continuously distract themselves easily.
If you can see the humor in work or family interactions, and spin a tale, this could be entertaining. He gets antsy around those with fixed ideas -- it's claustrophobic for him.
He enjoys scrambling ideas and spontaneously offering a new translation. So to sustain his interest, feed his mind with your own wit, observations, short tales.
At the same time, you might have to learn to accept his fickle nature, inability to make decisions, and constantly changing his mind.