Blonde 20
 

Dear Diary,
Last year I replaced all the windows in my house with those expensive
double pane energy-efficient kind. Then, this week I got a call from
the contractor who installed them. He was complaining that the work had
been completed a whole year ago and I still hadn't paid for them.
Now just because I'm blonde doesn't mean that I am automatically
stupid. So, I told him just what his window sales guy had told me last
year...
Namely, that in ONE YEAR these windows would pay for themselves!
Helllooooo? It's been a year!
There was only silence at the other end of the line, so I finally Just
hung up. He didn't call back...Bet he felt stupid!