Feeling my age lately

I have been sick off and on a lot lately. My own kids bring things home and they always want "Mommy" so I get sick from that. I get it from my 30 6th graders. I cannot win! The weather here has been atrocious - in the negative numbers without windchill. It is killing my asthma. Cannot breathe lately. Just want to sleep. Can't seem to shake whatever I have even with antibiotics. I guess that I am not as resilient as I used to be. Just wanted to take a moment and whine.