All little ones go through this, don't be hard on her. ❤ She can't understand why others call you Andy and she should not. Be patient, she'll get it one day when she's old enough to understand. She's adorable. 😊
They all go through fits of doing the first name rather than mum or dad .But if you ignore them when they want something and call you by your first name they realise it takes the other name for something .
I recommend that anyone in a blue mood, who is feeling a little down trodden, watch this clip three times a day after meals. Take care that you don't throw up all the food you've eaten, while laughing your heart out! See... No more blues!!
I think they all go through this while trying to work out your identity and your relationship. I didn't try to correct because I'd read that it was only temporary. It lasted about 4 months with mine and then they were back to calling me Mama.