The average person can remember or recall 5,000 of these. Some can remember up to 10,000 over a lifetime. What are they?

-----faces.

Annie D. guessed swear words. I mentioned in a FB group that I can swear like a trucker but I draw the line at a particular 4-letter word. Another female said that I need to use that word to be proficient, but I strongly disagree.

Today's question is

Single women are more than twice as likely to do this than single men. What is it?