mother_of_young_child_has_lover_variable_effect

mother_of_young_child_has_lover_variable_effect = {
	if = {
		limit = {
			$LOVER_1$ = { sex_opposite_of = $LOVER_2$ }
		}

		#Who is the woman?
		if = {
			limit = { $LOVER_1$ = { is_female = yes } }
			$LOVER_1$ = { save_temporary_scope_as = mother_check }
		}
		else = {
			$LOVER_2$ = { save_temporary_scope_as = mother_check }
		}

		#Is SPOUSE the woman's spouse, and do they have a young child together?
		$SPOUSE$ = {
			if = {
				limit = {
					is_spouse_of = scope:mother_check
					any_child = {
						is_child_of = scope:mother_check
						NOR = {
							has_trait = bastard
							has_trait = legitimized_bastard
						}
						age <= 5
					}
				}
				set_variable = {
					name = mother_of_young_child_has_lover
					value = scope:mother_check
				}
			}
		}
	}
}

As written in game/common/scripted_effects/00_adultery_effects.txt.