Maybe you should tell her the reason why her hair is so short.

Supporting your gf when she is sacrificing so much, and even now you find her beautiful and feminine! Good guy OP :)

Don't worry OP. It seems like your girlfriend is a really sweet and caring person, and you clearly care a lot about her and support her actions, so it sounds like you two stand a good chance of lasting - and douchey Mom will grow to realise this as time goes by (and you girlfriend's hair grows back). So, maybe FYL a little - but not forever :)

Let me ask you this: Does your mom realize that people's hair fall out during cancer treatment?

Your mom is a transphobic jerk! Arrggh! Tell your girlfriend she's beautiful, inside and out for going that in support of her friend

You keep supporting your girlfriend, he seems really nice. It's what you think of her not your mother.

I'm conservative myself, but this is just plain sad