Is A Slightly Wet Vagina Abnormal?

23 years old, 163lbs, no surgeries, no allergies, no smoking, drink wine occasionally, work out 2-3x weekly, 5'2, no children. i was wondering, i am always in the mood for sex, but for some reason, my vagina does not get wet, and when it does, its very little... what is this and what can i do?