You will have to go with something she won't even detect. So she'll have to do it repeatedly and not even know what she is doing. Of course, I am completely evil so do not listen to me.....

It is now her secured password that she cannot change:
m33t_r0ks
or simply:
m3atr0Ks
or:
i820lb.sm33t

I'm sure you can devise something...

I ate 20 pounds meat lol

Thanks everyone. You are all very creative. I love so many of them. :)