because the unknown thing you do not know to wish for may be around the corner.
So, so, so true. Life can always bring you unexpected blessings, unexpected solutions to problems.

I don't know what the immigrations laws are in Australia, but have you tried talking to an immigration office/person (however they do it down there?) Maybe there are other options you don't know about (I know in the United States you could apply to become a permanent resident, for example).