my leopard gecko will not eat

i have 2 leopard gecko 1 male and 1 female. they been mating for two
weeks new.
they both have not been eating as much for the last week i give them
crickets and waxworms. They have been pooping but i have not seen them
eat. they are about a year and a half old. maybe it is because they are

mating? plz someone help me