In a word....
YES!
You are not an island. Everything you do has the potential to affect someone somehow.
In this case, if you infect someone, it could result in their death., or the death of someone in their family.
Should we nickname you *Cain*?
Nickname me “amused”.
My wife (and I, to a certain extent) take care of four folks over the age of 84. My wife is more of a “flu bro”. I am not - and believe this to be a real life-or-death virus.
We both though take the same precautions. My wife is of the thinking “Yeah - it’s no big deal. But, what if I’m wrong and I bring it into my 91 year old friend?”