If this was the land of happiness and Soy's sister's decision had no effect on her wellbeing or the safety of those around her, I would gladly say go ahead, let her pretend to be an adult and see where her choices take her. This particular situation does not warrant that.
I know what you mean about age toph99, I had to grow up at an early age and people still say I'm 20 going on 30. But independence and maturity are also two different things. The simple fact that Soy's sister lives in a household with other people mean decisions like this affect them. As such, they have a say in what she does and who she does it with, especially because they support her needs. If she fails to see how her decisions affect those around her, then that in itself is a very good sign of immaturity.
I know what you mean about age toph99, I had to grow up at an early age and people still say I'm 20 going on 30. But independence and maturity are also two different things. The simple fact that Soy's sister lives in a household with other people mean decisions like this affect them. As such, they have a say in what she does and who she does it with, especially because they support her needs. If she fails to see how her decisions affect those around her, then that in itself is a very good sign of immaturity.
