How do parents do it?

Maybe it was the cold Tuesday night air that caused Mike and I to both be sick with colds this weekend. If it was, I can let it go--after all, the Twins won and are onto round 1 of the playoffs. Here we are healthy and elated over the win.

Yet, as he and I have suffered through these colds today I couldn't help but wonder how parents handle having kids when they're sick? I remember my mom being sick but most times she just plowed through it. How? When you become a parent are you instilled with a fierceness you didn't have before?

I hope I get one because the 3 hour nap I had today seemed impossible to give up when my throat is raw, head is pounding, and energy is non-existent. So to parents out there--tell me how you do it...