Funny you should ask. I love Fortune Cookies and my sister and I began this little "thing" where, at the end of the fortune, we say, "in bed."
I kept the last one I had (about 6 months ago) and taped it on the side area of my monitor because I thought it was particularly funny. It reads:
"Be moderate where pleasure is concerned. Avoid fatigue."...my ending..."in bed."
Ha!