The only thing I would think is that they don't have a particularly sweet tooth.

Old? I say this being a dark chocolate fan, but I don't know many kids that like the bitterness of dark chocolate.

Contrarian

Fans of cigarettes and black coffee.

They have good, refined taste.

They eat chocolate for health probably...

They don’t perceive the bitterness as much as I do.

Darkness.

My parents?

Efficiency.

That person is basically like me! Loveable, agreeable, cute, intelligent, amiable and a sweetheart. :D

Old person