At what age does Mr. M think it is unacceptable to color the hair?
When I hit 60 am I suppose to dump my professional wardrobe and purchase a truck load of print dresses to wear with my orthopedic shoes?
Only joking (at least half way)
I think he meant the dark color and length were a bit much for a woman of Teresa's age, plus he didn't think her hair style (such as it is) flatters her - he certainly doesn't object to coloring, no matter the age of the coloree (or I'll give him an earful about his older sister)!

I believe in hair color, plastic surgery (in moderation) and anything else that will keep me looking younger. Shoot, women show age more than men so we have to use all of Kerry's tactics to look good! Now, where's my personal manicurist? She was supposed to be here at noon!