try to keep the room they are in as dark as you can for added comfort and less stress if you dont mind me asking how much does you male weigh and how much does your female weigh they could just not be ready, has your male produced sperm slugs? what are your temps at what is your humidity at?
My female weighs around 1800g and my male is around 1100g. I do not know if the male is producing plugs, I have never popped before, so I don't know. My temps are around 85 in the day and 82 at night. Humidity 65-70% all day