Will my girlfriend ever come home?

So here's the situation. My girlfriend and I both 33 have been living together (renting) for the past 5 years. Every year she goes home to Portugal to see her family for a month or two.

She currently is unemployed as she got serious depression from her last job. She applied for some recently but got no replies. The other night I asked her when she was coming back and she said she doesn't know if she wants to come back here (to the uk). She feels stuck in life and is terrified she will go broke. I tried to reassure her best I can by saying i will look after her as I am financially ok. Thing is I feel like I'm stuck in limbo at the moment.

She's gone very distant and some days I don't hear from her at all. Do you think this is a phase or is she planning a new life there?

I can't move over there as I have a good job here and I need to be close by to my parents as one of them is quite ill.

If she really wants to be with me she will make the effort right?
Will my girlfriend ever come home?
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