My gf is a late bloomer

My gf is a late bloomer lesbian. She was straight when she met me and came out to her friends after a couple of months. I’ve met most of her friends.

She has started therapy to deal with the changes in her life and accepting her sexuality.

It’s been a year and she hasn’t come out to her mum or told her about me.

I don’t know what to do. Am I being unreasonable in thinking of ending it? We love each other.