Not necessarily. My manicurist, a super pretty blonde woman from Eastern Ukraine, prefers Asian men and recently left her husband, who was probably Ukrainian, too, for a Vietnamese man your age or older. She is in her mid-30s herself. He spent most of his life in the US, though, but still, here is a datapoint. I have seen their pictures together on Facebook and both their faces beam happiness.

So I would not write yourself off for being South Asian or for being 40, or both.

What will work against you on the relationship front now is that you are deeply depressed. You do not radiate confidence, most likely, you occasionally feel suicidal, X has managed to make you feel worthless – all of that. But not being Asian in general or South Asian in particular, and definitely not being 40.

In fact, my school best friend's mother used to tell us that her life only began at 40 (when she already had had my school friend and her elder brother). I could not believe it at that time, but now at 54 I can say that at least a significant chapter of my life began when I was 47.