Moles are not contagious between couples.
A mole is a benign lesion, a benign proliferative lesion of melanocytes in the epidermis or dermis of the human body, and is not a contagious disease, so it is not contagious between couples.
Moles are very common and almost everyone has them. Couples who have the same mole in the same area are just a coincidence and are not considered to be contagious. A very small number of moles may deteriorate. For moles with a diameter of more than 3 millimeters, a recent sudden increase in size, or ulcers, you need to actively go to the hospital for treatment.
Skin warts caused by HPV infection are potentially contagious between couples. It is recommended to seek medical attention when you find a raised skin lesion.