Our expert says:
I entirely agree with Maria.
Your sister does't need to be motivated to sort herself out so long as others do this for her, and pay for her bad habits.
Stop feeding her. her plan to teach English to China seems likely to be doomed.
Don't get her another phone - who on earth does she need to call ?
Your family is foolishly encouraging her to continue to be irresponsible. Look after yourself, and stop paying attention to her selfish demands.
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