Get Replens and follow the instructions. Check what can nutritionally help. Soya products maybe for the estrogen simulation, unless your doc says "no" due to familial hormone difficulties.

Sometimes it just takes more mental lubricant to get the physical juices flowing.

Try reading and writing erotic literature together. Put your fantasies on paper and read them to each other.

Some find that scening, dressing up (or down) and acting out their fantasies works.

EVOO - extra virgin olive oil if you don't like the feel of KY and are worried about petroleum based lubricants such as vaseline.

I am not going to mention turkey baster... oops!