I'm happy that my immune system is looking out for me. For the last few days, I've been fighting just a tiny bit of a cold, and my body seems to have fended it off with very little discomfort.
Actually, I'm grateful for my immune system in general. Last year, with a baby in his first year of daycare, I was sick just about monthly (multiple times in some months). This year things have been dramatically better. I've still been sick a bit more than pre-parenthood, but, even counting this little bit of something, I've only been sick a few times all year.