He's an alien, for Christ sake. His Kyrptonian biological makeup is enhanced by Earth's yellow sun. If Lois gets a tan, the kid could kick right through her stomach. Only someone like Wonder Woman has a strong enough uterus to carry his kid. The only way he could bang regular chicks is with a Kryptonite condom, but that would kill him.
Of course. When I was maybe 13 just to know what it tasted like, not like I guzzled a whole load. I'm of the opinion any one who denies it is lying. Just like every kid has played with shit once when their really little, everyone has tasted their own bodily fluids at one point.
^This. A kiss afterwards let's her know that she did a good job and proves how much you love each other.
It's the same for women that won't kiss a guy after they've gone down on her. If she won't lock lips after that, then she doesn't deserve you goin down there again.