You do not have a uterus, sir. You do not ovulate. You do not shed a uterine lining. You do not bleed or feel the associated pains. In short, you do not have fucking periods. Period.
i don't know the context, but i love this art. rick as an imposing figure whose expression we can't see, his shadow covering morty. morty unable to look at rick, wrenching his shirt down to cover himself, maybe even trying to find a way to escape this shameful miserable situation