Nowhere in your list of options is going back to Asia an actual option FOR you, you stated you could and what it would entail, but not one ounce of desire to do so.
That right there my friend, speaks volumes. Going to live in Asia is not an option for you.
Stay right where you are, decisions based on the wants of others, never fare well.
Others won't live with the consequences of your decisions, only you will. In this particular case, you and your bf will live with those consequences...
Not your family.
I know how important it is to want to contribute financially, if I were in your shoes, I would live my life in the west, and send a portion of my money east.
Beauty of international money transfers