1, commutation of sentence;
2, serving more than half of the sentence, good performance can apply for parole.
But this time is estimated to be at least 4-6 years according to your lover's sentence. Now you have served for three years, which means you have to wait 1-3 years.
Second, the special way:
1, released on medical parole. The premise is that the body has a major illness and is not suitable for serving a sentence in prison. According to what you said, it is really impossible to get such treatment normally. Abnormal operation may be required.
Some provinces may take care of families with great difficulties, such as early parole, but it depends on your actual situation.