We usually think the people we love are beautiful. Think of ways that the person you are thinking of is beautiful. Very often the beauty of someone we love is the beauty inside. Look at some pictures of different kinds of flowers.
Every flower is beautiful, even though a rose is very different from a daisy.
Beauty is not the same for everyone. Renaissance Belladonna Drops, Ancient Foot Bands, or Victorian Corset and Shoe Set would work well. Explain how these practices were considered beauty in the past, and how they hurt women's bodies. The Legend of the Nun's Kung Fu - Emily Arnold McCully, 1998. Chasing the Moon to China - Virginia Overton McLean, 1988.