HI HONEY, YOU LOOK..........DIFFERENT?

This one is for the guys.  You go down to your mates New And Improved Hairdresser and register with your Cell #.  
The next time your sweetheart gets her hair done you get a call from the shop telling you exactly what was done including ANY DIFFERENCES LIKE HAIR COLOUR.

It's like you studied for an exam -made crib notes- and now you're going to ace it when she comes through the door.