Combine damiana leaves and brandy in a clean, dry glass jar. Place a square piece of natural waxed paper on top of the jar, then seal the jar with a lid (this protects the extract from any chemical coating that may be on the lid).

Label the jar and place in a warm location for 5 days before straining and reserving the liquid.

Place the alcohol-soaked damiana leaves in a clean glass jar and cover with just-boiled water. Cover the jar with a cap and allow the mixture to steep for 15-20 minutes before straining and reserving the liquid.

Pour the damiana-infused water and honey into a clean stainless steel saucepan. Gently warm over low heat, stirring until the honey is dissolved. Remove the pan from heat, add the alcohol extract, and stir again.

Pour the liquid into a clean, decorative glass bottle. Add the chocolate syrup and vanilla for flavor. Cap, label, and store refrigerated for 1 month to let the flavors meld.

Enjoy 1-2 fluid ounces after dinner. Continue to store in the refrigerator.