Didn't read the other responses, but after 4 marriages over a 23 year span I can tell you this......

BUY YOUR M.I.L. NEW GLASSES!

You can't not win this argument, no matter if you are right or wrong, you WILL LOSE in the end.

Trust me. Wife #1 = Wife #2 = Wife #3 = Wife #4 =

I speak from haveing been there, done that waaayy too many times..got the scars to prove it, too.

MB