A: You've been with Karen every night this week.
How's it going?
B: I can't eat. I can't sleep. I can't concentrate.
It's serious.
A: Maybe you need to see a doctor.
B: Ha ha. You know what I mean.
HAZEL Calumarde
http://www.poemhunter.com/poem/you-know-what-i-mean-4/