Here we have a gentleman’s BaZi. 丙 “Bing” weak day master. He is lacking of metal where metal is hidden at his hour branch.
When spouse star “sitting at grave” 财星入墓 or 妻星入墓, “sitting at grave”- hidden; dead very often this type of life is difficult to get a wife.
However from the above BaZi, when his spouse stars (metal) appear, his BaZi provide sufficient support for his spouse stars which means when his spouse stars appear he will still meet his destined wife.
This is what we called “spouse stars coming out from the grave”. But not all spouse stars can escape this trap. If his BaZi does not provide the support for his wife stars – if and only if he has only water, fire and wood even when his spouse stars appear, his relationship will not be blessed and he will meet with many obstacles.