Caught a cold from stressing too much = immune system was weak I guess.

Caught a cold from walking around drunk outside in the snow without a jacket = pure stupidity.

Quote from Oriolidae

Caught a cold from stressing too much = immune system was weak I guess

This happened to me too. It must have been last year during my A-levels. I was so stressed out I had one of the worst colds I've ever had during my 18 years of existing. Bad times.
I also remember getting a bad cold when we had no heating because our boiler broke down and it didn't get fixed for months.

Generally I have a strong immune system so things like going to bed with wet hair or other randomly pathetic excuses they use for catching colds in manga doesn't usually happen on myself.
Unless it's really bad, I can get rid of a cold within 3 days.

Quote from tactics

Generally I have a strong immune system so things like going to bed with wet hair or other randomly pathetic excuses they use for catching colds in manga doesn't usually happen on myself.

When I went to high school, I caught viruses really easily. I think it was because I was stressed and didn't sleep for enough hours. I didn't think I had a strong immune system, but since high school ended, I haven't gotten ill very often. Think I've caught two serious colds within a year, which isn't much compared to before. That's food for thought...

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Quote from krytorii

But then I never dry my hair properly in the morning, I leave at 7:30 to wait for a bus in the british midwinter with hair that is soaked, sometimes literally dripping where I've gotten out of the shower immediately beforehand. I swear on at least one occaision you could see ice forming in my hair.

Yep, that can happen. In fact, when I was in elementary school on snowy days I purposely left my hair wet, because I was actually trying to get my hair to freeze. Never got sick from it. Old wives know nothing of disease transmission!

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