Things that cell biologists shouldn't say in public

From a post by Cath Ennis at Nature Network:

Actual conversation in a Glasgow pub during my PhD days:

Me:  How’s it going?
Friend:  Bad.
Me:  How come?
Friend:  Another bloody yeast infection.
Me:  Another one?! What’s going on?
Friend:  Don’t ask me, I wear gloves all the time and it just keeps on happening.
Guy at next table:  Snorrrrt cough cough

It suddenly dawns on us that most people don’t think of cell culture problems when they hear the words yeast infection…