At age 17, I dyed my hair because it pissed my mom off.
At age 22, I dyed my hair because it was fun. And it pissed my mom off.
At age 27, I dyed my hair because the changing hues had become a part of my personality. And it pissed my mom off.
At age 32, I dye my hair to cover the gray. And my mom is completely supportive.