I'm going to buck the trend. This is going to turn out badly. The daughter will grow up and start hanging out on the char op boards, learning how to min-max and use the giant sword to the best effect.
A D&D session, years from now:
Father: The dragon wakes up, and looks at you mournfully...
Daughter: I attack it with my giant sword, using Attack X, comboing with Spell Y, Feat A, and magic item Z. I deal *rolls some dice* eleventy-billion damage.
Father: ... Why couldn't you have picked the princess option?!?
A D&D session, years from now:
Father: The dragon wakes up, and looks at you mournfully...
Daughter: I attack it with my giant sword, using Attack X, comboing with Spell Y, Feat A, and magic item Z. I deal *rolls some dice* eleventy-billion damage.
Father: ... Why couldn't you have picked the princess option?!?